subject:"\[neonixie\-l\] What are these\?"

[neonixie-l] What type of tubing / valves are used in vacuum and de-gassing, gas population experiments?

2023-08-28 Thread Miles Thatch



I'm looking to experiment with making a cold cathode character display. I 
have plenty of experience experimenting with manufactured IN-12 tubes and 
the power supplies that drive these, but I want to step further to 
experiment in making my own.

What grade of materials / tubing / valves should I be looking at to try and 
build my own jig for evacuating air from a tube and populating a gas?

I don't suppose just about any valve with do (like liquid control valve) 
and looking at my hobbyist grade vacuum chamber, the tubing contains a 
spooled wire on the inside to provide rigidity to counter the vacuum forces.

Would brass / copper tubing sealed with aluminum weld be suitable?

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Re: [neonixie-l] What is this tube ?

2023-03-01 Thread Audrey

"绍光"? Definitely chinese 

On Wed, Mar 1, 2023, 11:16 AM Benoit Tourret 
wrote:

> the tube is Ø18mm  x 63mm long, the 13 wires are ~ 48mm
>
> Le dimanche 12 février 2023 à 21:47:02 UTC+1, Benoit Tourret a écrit :
>
>> In flat VFD environment, there is the  ИЛТ1-5Л / ILT1-5L (5-Dot Vacuum
>> Fluorescent Indicator )
>>
>> [image: cd098lit.jpg]
>> here *in situ :*
>> [image: cd098clock.jpg]
>>
>> found on http://lampes-et-tubes.info/cd/cd098.php?l=d
>>
>> but nothing on VFD "Tube" environment.
>> nothing yet, I'm still searching.
>>
>> Le dimanche 12 février 2023 à 21:25:27 UTC+1, Mac Doktor a écrit :
>>
>>>
>>> On Feb 12, 2023, at 3:22 PM, Nicholas Stock  wrote:
>>>
>>> Magic eyes just don't last long enough to be useful in a clockkind
>>> of like IN-2's lol!!
>>>
>>>
>>> I wouldn't leave it turned on for very long. 8D
>>>
>>>
>>> Terry Bowman, KA4HJH
>>> "The Mac Doctor"
>>>
>>> https://www.astarcloseup.com
>>>
>>> "I’ve seen things you people wouldn’t believe. Attack ships on fire off
>>> the shoulder of Orion. I watched c-beams glitter in the dark
>>> near Tannhäuser Gate.
>>>
>>> "All those moments will be lost in time like tears in rain."— Roy Batty, 
>>> Blade
>>> Runner 
>>>
>>> --
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> .
>

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RE: [neonixie-l] What is this tube ?

2023-02-12 Thread Tidak Ada

They are NO magic eyes, but VFD display’s like every other VFD 7-segment
display the indication is by steps every dot (or triangle) is on or off

The Russians also had things like this, but with round dots and about the
length of a IN9.

Remarkable is the “zero” level display with up-down indication. I only saw
such with LED’s. Red triangles and a green line in the middle to tell level
zero just for FM discriminator tuning ‘zero level’.

eric

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens
Nicholas Stock
Verzonden: zondag 12 februari 2023 21:22
Aan: neonixie-l@googlegroups.com
Onderwerp: Re: [neonixie-l] What is this tube ?

Magic eyes just don't last long enough to be useful in a clockkind of like
IN-2's lol!!

Sent from my iPhone

On Feb 12, 2023, at 12:20, Mac Doktor wrote:

On Feb 12, 2023, at 2:49 PM, Audrey wrote:

I dont think it's a 6E2... the tubes in the photo have distinct bargraph
segments, I'm pretty sure it's a VFD.

It would be interesting to see a 6E2/EM84 "opening and closing" once per
second. If you're curious as to what this would look like try one of these
(only $20):

https://www.ebay.com/itm/193443031569

Stereo version:

https://www.ebay.com/itm/193444281148

How about a Magic Eye clock? I'd be very interested in that. Who wants to go
first, gang? Think of it as a new challenge, uncharted territory.

I have eight EM800s. 8D

Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner

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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Mac Doktor


> On Feb 12, 2023, at 3:22 PM, Nicholas Stock  > wrote:
> 
> Magic eyes just don't last long enough to be useful in a clockkind of 
> like IN-2's lol!!


I wouldn't leave it turned on for very long. 8D


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"I’ve seen things you people wouldn’t believe. Attack ships on fire off the 
shoulder of Orion. I watched c-beams glitter in the dark near Tannhäuser Gate. 

"All those moments will be lost in time like tears in rain."— Roy Batty, Blade 
Runner 

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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Nicholas Stock

Magic eyes just don't last long enough to be useful in a clockkind of like IN-2's lol!!Sent from my iPhoneOn Feb 12, 2023, at 12:20, Mac Doktor wrote:On Feb 12, 2023, at 2:49 PM, Audrey wrote:I dont think it's a 6E2... the tubes in the photo have distinct bargraph segments, I'm pretty sure it's a VFD.It would be interesting to see a 6E2/EM84 "opening and closing" once per second. If you're curious as to what this would look like try one of these (only $20):https://www.ebay.com/itm/193443031569Stereo version:https://www.ebay.com/itm/193444281148How about a Magic Eye clock? I'd be very interested in that. Who wants to go first, gang? Think of it as a new challenge, uncharted territory.I have eight EM800s. 8D
Terry Bowman, KA4HJH"The Mac Doctor"https://www.astarcloseup.com"If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner

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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Mac Doktor


> On Feb 12, 2023, at 2:49 PM, Audrey  wrote:
> 
> I dont think it's a 6E2... the tubes in the photo have distinct bargraph 
> segments, I'm pretty sure it's a VFD.

It would be interesting to see a 6E2/EM84 "opening and closing" once per 
second. If you're curious as to what this would look like try one of these 
(only $20):

https://www.ebay.com/itm/193443031569 

Stereo version:

https://www.ebay.com/itm/193444281148 


How about a Magic Eye clock? I'd be very interested in that. Who wants to go 
first, gang? Think of it as a new challenge, uncharted territory.

I have eight EM800s.  8D


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner

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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Audrey

I dont think it's a 6E2... the tubes in the photo have distinct bargraph
segments, I'm pretty sure it's a VFD.

On Sun, Feb 12, 2023, 2:27 PM Tony Adams  wrote:

> 6E2 'magic eye' tubes driven to produce a colon?. Very neat but power
> hungry and short lived I'd expect.
>
> On Sun, Feb 12, 2023 at 10:44 AM Benoit Tourret 
> wrote:
>
>> Ok ok...
>> It doesn't seems to be a regular item...
>>
>> It must surely be Chinese, the lack of clues and evidence brings us there
>> with force.
>> Whatever the top of the tubes made me look towards Nec.
>>
>> Wait & See...
>> Le jeudi 9 février 2023 à 22:37:06 UTC+1, Tidak Ada a écrit :
>>
>>> IO guess a VFD zero-indicator and a VFD level indicator….
>>>
>>>
>>>
>>> eric
>>>
>>>
>>>
>>> *Van:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *Namens
>>> *Audrey
>>> *Verzonden:* donderdag 9 februari 2023 22:20
>>> *Aan:* neoni...@googlegroups.com
>>> *Onderwerp:* Re: [neonixie-l] What is this tube ?
>>>
>>>
>>>
>>> Probably chinese bargraph vfd tubes, they seem to be very rare. I've
>>> attached some pictures of similar tubes.
>>>
>>>
>>>
>>> On Thu, Feb 9, 2023, 3:48 PM Benoit Tourret 
>>> wrote:
>>>
>>> Hello, I wonder what are the two tubes between the digits ???[image:
>>> Capture d’écran 2023-02-09 214402.png]
>>>
>>> the picture is from aliexpress, so there is no informations...
>>>
>>> --
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>>>
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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Tony Adams

6E2 'magic eye' tubes driven to produce a colon?. Very neat but power
hungry and short lived I'd expect.

On Sun, Feb 12, 2023 at 10:44 AM Benoit Tourret 
wrote:

> Ok ok...
> It doesn't seems to be a regular item...
>
> It must surely be Chinese, the lack of clues and evidence brings us there
> with force.
> Whatever the top of the tubes made me look towards Nec.
>
> Wait & See...
> Le jeudi 9 février 2023 à 22:37:06 UTC+1, Tidak Ada a écrit :
>
>> IO guess a VFD zero-indicator and a VFD level indicator….
>>
>>
>>
>> eric
>>
>>
>>
>> *Van:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *Namens
>> *Audrey
>> *Verzonden:* donderdag 9 februari 2023 22:20
>> *Aan:* neoni...@googlegroups.com
>> *Onderwerp:* Re: [neonixie-l] What is this tube ?
>>
>>
>>
>> Probably chinese bargraph vfd tubes, they seem to be very rare. I've
>> attached some pictures of similar tubes.
>>
>>
>>
>> On Thu, Feb 9, 2023, 3:48 PM Benoit Tourret  wrote:
>>
>> Hello, I wonder what are the two tubes between the digits ???[image:
>> Capture d’écran 2023-02-09 214402.png]
>>
>> the picture is from aliexpress, so there is no informations...
>>
>> --
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>> .
>>
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>> .
>>
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Re: [neonixie-l] What is this tube ?

2023-02-12 Thread Benoit Tourret

Ok ok...
It doesn't seems to be a regular item...

It must surely be Chinese, the lack of clues and evidence brings us there 
with force.
Whatever the top of the tubes made me look towards Nec.

Wait & See...
Le jeudi 9 février 2023 à 22:37:06 UTC+1, Tidak Ada a écrit :

> IO guess a VFD zero-indicator and a VFD level indicator….
>
>  
>
> eric
>
>  
>
> *Van:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *Namens 
> *Audrey
> *Verzonden:* donderdag 9 februari 2023 22:20
> *Aan:* neoni...@googlegroups.com
> *Onderwerp:* Re: [neonixie-l] What is this tube ?
>
>  
>
> Probably chinese bargraph vfd tubes, they seem to be very rare. I've 
> attached some pictures of similar tubes.
>
>  
>
> On Thu, Feb 9, 2023, 3:48 PM Benoit Tourret  wrote:
>
> Hello, I wonder what are the two tubes between the digits ???[image: 
> Capture d’écran 2023-02-09 214402.png]
>
> the picture is from aliexpress, so there is no informations...
>
> -- 
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RE: [neonixie-l] What is this tube ?

2023-02-09 Thread Tidak Ada

IO guess a VFD zero-indicator and a VFD level indicator….

eric

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens
Audrey
Verzonden: donderdag 9 februari 2023 22:20
Aan: neonixie-l@googlegroups.com
Onderwerp: Re: [neonixie-l] What is this tube ?

Probably chinese bargraph vfd tubes, they seem to be very rare. I've attached
some pictures of similar tubes.

On Thu, Feb 9, 2023, 3:48 PM Benoit Tourret wrote:

Hello, I wonder what are the two tubes between the digits ??? Capture d’écran
2023-02-09 214402.png
<https://mail.google.com/mail/?ui=2=9455465ec0=0.1=186380bbf17c0c2c=fimg=ip=186380bbf17c0c2c=w1600-h1000=ANGjdJ_7yXmtoUHz2dKHa8pLmo-JKBnUGvMOPG2AgYf9yBtckDyL5QQPAQtJtsj6Xy-TGcPRU-9eDZpYT7ezSELWpMnrhE68LNGLvk8QBYdNKJUKTj_PQ6zkimVrBcQ=emb=73eb52e9-5ce3-4440-b6d7-96a26e7707c0>

the picture is from aliexpress, so there is no informations...

<https://groups.google.com/d/msgid/neonixie-l/0604c1aa-597b-4f7e-8464-32e07b2541e4n%40googlegroups.com?utm_medium=email_source=footer>
.

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.

[neonixie-l] What will happen if current slightly below specification in long time?

2023-01-14 Thread overdoingism Lab.

My nixie clock has a switch, with three level, full - low - off.

The low level setting does make the tube look a bit dimmer.

And the current seems to be slightly below specification.

For all I know, it's probably not good for "Cathode Poison", but I can 
switch back to full level to flush them.

Besides, is there any disadvantage?

BTW, Is there any way to adjust the brightness? PWM doesn't seem like a 
good idea.

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[neonixie-l] What a bargain!

2022-12-16 Thread Nick Andrews

https://www.ebay.com/itm/115643059245?mkevt=1=0=e11021.m43.l3160=7=osgood=b4157e1647d445bbae34db34c4143547=43189870757=RU=0=0=-1%7E1=20221216011646=11021

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RE: [neonixie-l] What were 3L01I CRT's used for ?

2022-09-09 Thread Tidak Ada

There is a smaller one, the NU R2163, that as aan outer Ø of 22 mm and a screen
Ø of 18 mm (¾”)

eric

NU R2163-72ppi-.jpg.jpg

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens
David Forbes
Verzonden: donderdag 8 september 2022 22:51
Aan: NeoNixie
Onderwerp: Re: [neonixie-l] What were 3L01I CRT's used for ?

I have a bunch of 1DP1 and 1EP1 CRTs. They are also rather small, being 23mm
and 30mm respectively. They were used as signal monitors in test and
communications equipment.

On Thu, Sep 8, 2022, 1:20 PM gregebert wrote:

I bought a dozen of these a few years ago for a future project, and I've always
wondered what these Soviet-era CRTs were used for. Too small for an
oscilloscope, and very limited use as a text display. Seems unlikely they would
be used for images, because they use deflection plates, rather than a yoke, so
TV-like scanning is a bit more complex.

Does anyone know ?

<https://groups.google.com/d/msgid/neonixie-l/69ad96d5-fd03-41cb-adb0-3ee77f623fecn%40googlegroups.com?utm_medium=email_source=footer>
.

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.

Re: [neonixie-l] What were 3L01I CRT's used for ?

2022-09-08 Thread David Forbes

I have a bunch of 1DP1 and 1EP1 CRTs. They are also rather small, being
23mm and 30mm respectively. They were used as signal monitors in test and
communications equipment.


On Thu, Sep 8, 2022, 1:20 PM gregebert  wrote:

> I bought a dozen of these a few years ago for a future project, and I've
> always wondered what these Soviet-era CRTs were used for. Too small for an
> oscilloscope, and very limited use as a text display. Seems unlikely they
> would be used for images, because they use deflection plates, rather than a
> yoke, so TV-like scanning is a bit more complex.
>
> Does anyone know ?
>
> --
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> .
>

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[neonixie-l] What were 3L01I CRT's used for ?

2022-09-08 Thread gregebert

I bought a dozen of these a few years ago for a future project, and I've 
always wondered what these Soviet-era CRTs were used for. Too small for an 
oscilloscope, and very limited use as a text display. Seems unlikely they 
would be used for images, because they use deflection plates, rather than a 
yoke, so TV-like scanning is a bit more complex.

Does anyone know ?

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[neonixie-l] what is that CRT-like tube?

2022-06-03 Thread Marcin Adamski


Hi Guys,

this CRT-style was recently sold on Ebay: 
https://www.ebay.com/itm/115400617434 (I was not the seller nor the 
buyer). I have never seen anything like this before. It seems to have 3 
separate guns (RGB?) but the number of pins in the base suggests almost 
no control over the beams. And what is the wine bottle style topend? I 
am totally bamboozled.


Cheers,
Marcin

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Re: CK1414 Monoscope - was Re: [neonixie-l] What kind of display is this?

2022-05-30 Thread Instrument Resources of America


IIRC the FAA used a lot of these!!  Airport radars.   Ira.



On 5/30/2022 3:17 AM, 'Nick' via neonixie-l wrote:

I also believe that they were used for text on RADAR displays.

There were a lot of variants of the CK1414 - the suffix specifies the 
mask in the tube - it's the mask that determines what characters the 
tube can generate.


I have two types here - CK1414-07 (Brimar) & CK1414F10C (Raytheon) - 
they generate different characters.


Some larger users had custom masks made for specific applications 
(e.g. RADAR screen symbols).


Nick

On Thursday, 12 May 2022 at 22:43:52 UTC+1 Jens Boos wrote:

This is so cool! Thanks for sharing, much appreciated!

Best wishes
Jens

On 2022-05-12 12:06 p.m., Toby Thain wrote:
> On 2022-05-12 11:41 a.m., Adrian Godwin wrote:
>> So it's a thermionic character-generator ROM ?
>>
>
> TubeTimeUS, who for all I know is on this list, has blogged in
detail
> about these:
>
> http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/
>
> https://twitter.com/TubeTimeUS/status/1002324117226287104
>
> I own a handful of these tubes so I'm keen to recapitulate their
work.
>
> --Toby
>
>
>
>> On Thu, May 12, 2022 at 4:31 PM Nicholas Stock > > wrote:
>>
>>     It's a 'monoscope'reads off letters on the end plate...
>>
>> http://ed-thelen.org/comp-hist/CK1414.pdf
>>     
>>
>>     On Thu, May 12, 2022 at 8:27 AM jb-electronics
>>     mailto:webm...@jb-electronics.de>>
>>     wrote:
>>
>>     I should probably know, but how does this generate the
>>     characters, and
>>     where can I read them off?
>>
>> https://www.ebay.com/itm/354047743434
>>     
>>
>>     Cheers
>>     Jens
>>
>>     --     You received this message because you are
>> subscribed to the
>>     Google Groups "neonixie-l" group.
>>     To unsubscribe from this group and stop receiving
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>> .
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>>

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>>

.

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>>

>.

>>
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>>
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Re: CK1414 Monoscope - was Re: [neonixie-l] What kind of display is this?

2022-05-30 Thread 'Nick' via neonixie-l

I also believe that they were used for text on RADAR displays.

There were a lot of variants of the CK1414 - the suffix specifies the mask 
in the tube - it's the mask that determines what characters the tube can 
generate.

I have two types here - CK1414-07 (Brimar) & CK1414F10C (Raytheon) - they 
generate different characters.

Some larger users had custom masks made for specific applications (e.g. 
RADAR screen symbols).

Nick

On Thursday, 12 May 2022 at 22:43:52 UTC+1 Jens Boos wrote:

> This is so cool! Thanks for sharing, much appreciated!
>
> Best wishes
> Jens
>
> On 2022-05-12 12:06 p.m., Toby Thain wrote:
> > On 2022-05-12 11:41 a.m., Adrian Godwin wrote:
> >> So it's a thermionic character-generator ROM ?
> >>
> >
> > TubeTimeUS, who for all I know is on this list, has blogged in detail 
> > about these:
> >
> >   http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/
> >
> >   https://twitter.com/TubeTimeUS/status/1002324117226287104
> >
> > I own a handful of these tubes so I'm keen to recapitulate their work.
> >
> > --Toby
> >
> >
> >
> >> On Thu, May 12, 2022 at 4:31 PM Nicholas Stock  >> > wrote:
> >>
> >> It's a 'monoscope'reads off letters on the end plate...
> >>
> >> http://ed-thelen.org/comp-hist/CK1414.pdf
> >> 
> >>
> >> On Thu, May 12, 2022 at 8:27 AM jb-electronics
> >> mailto:webm...@jb-electronics.de>>
> >> wrote:
> >>
> >> I should probably know, but how does this generate the
> >> characters, and
> >> where can I read them off?
> >>
> >> https://www.ebay.com/itm/354047743434
> >> 
> >>
> >> Cheers
> >> Jens
> >>
> >> -- You received this message because you are 
> >> subscribed to the
> >> Google Groups "neonixie-l" group.
> >> To unsubscribe from this group and stop receiving emails from
> >> it, send an email to neonixie-l+...@googlegroups.com
> >> .
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> >> 
> https://groups.google.com/d/msgid/neonixie-l/4398b82d-f18f-644d-4485-b490328535ac%40jb-electronics.de
> >> <
> https://groups.google.com/d/msgid/neonixie-l/4398b82d-f18f-644d-4485-b490328535ac%40jb-electronics.de
> >.
> >>
> >> -- You received this message because you are subscribed to 
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> >> <
> https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHLTaqHsX28ZSXAkuRiP6zdUmE84K-AAJXTc2VAtW%3D%2BBPg%40mail.gmail.com?utm_medium=email_source=footer
> >.
> >>
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>  
> >> <
> https://groups.google.com/d/msgid/neonixie-l/CALiMYrugcb_0Ut0A9EeTuAB1BO1OP6-vfHwCFczDpG6P7iX97Q%40mail.gmail.com?utm_medium=email_source=footer>.
>  
>
> >>
> >
>
>

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Re: CK1414 Monoscope - was Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread jb-electronics

This is so cool! Thanks for sharing, much appreciated!

Best wishes
Jens

On 2022-05-12 12:06 p.m., Toby Thain wrote:

On 2022-05-12 11:41 a.m., Adrian Godwin wrote:

So it's a thermionic character-generator ROM ?

TubeTimeUS, who for all I know is on this list, has blogged in detail
about these:

http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/

https://twitter.com/TubeTimeUS/status/1002324117226287104

I own a handful of these tubes so I'm keen to recapitulate their work.

--Toby

On Thu, May 12, 2022 at 4:31 PM Nicholas Stock > wrote:

It's a 'monoscope'reads off letters on the end plate...

http://ed-thelen.org/comp-hist/CK1414.pdf

On Thu, May 12, 2022 at 8:27 AM jb-electronics
mailto:webmas...@jb-electronics.de>>
wrote:

I should probably know, but how does this generate the
characters, and
where can I read them off?

https://www.ebay.com/itm/354047743434

Cheers
Jens

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Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread Toby Thain


On 2022-05-12 1:33 p.m., liam bartosiewicz wrote:
Am I correct in saying that you cannot directly view the characters off 
the monoscope? It would be cool to be able to display a bunch of 
characters on a small crt like a NIMO tube.


Correct, you cannot. You need to drive the Monoscope like a CRT, with a 
raster, then read off the output and drive something else with similar 
raster deflections.


Actual terminals (e.g. Conrac) were built with this chargen, there are 
fleeting references online.


For more details see what I already posted:



TubeTimeUS, who for all I know is on this list, has blogged in detail about 
these:

  http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/

  https://twitter.com/TubeTimeUS/status/1002324117226287104

I own a handful of these tubes so I'm keen to recapitulate their work.

--Toby



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Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread liam bartosiewicz

Am I correct in saying that you cannot directly view the characters off the 
monoscope? It would be cool to be able to display a bunch of characters on a 
small crt like a NIMO tube.

> On May 12, 2022, at 9:46 AM, Mac Doktor  wrote:
> 
> 
> 
>>> On May 12, 2022, at 11:31 AM, Nicholas Stock  wrote:
>>> 
>>> http://ed-thelen.org/comp-hist/CK1414.pdf
>> 
>> 
>> Thank you for that link. I'd never heard the name Symbolray before.
>> 
>> 
> 
>> On May 12, 2022, at 11:41 AM, Adrian Godwin  wrote:
>> 
>> So it's a thermionic character-generator ROM ?
> 
> Think of it as an analog character-generator ROM.
> 
> 
> Terry Bowman, KA4HJH
> "The Mac Doctor"
> 
> "If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner
> 
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Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread Mac Doktor


> On May 12, 2022, at 11:31 AM, Nicholas Stock  wrote:
> 
> http://ed-thelen.org/comp-hist/CK1414.pdf 
> 

Thank you for that link. I'd never heard the name Symbolray before.


> On May 12, 2022, at 11:41 AM, Adrian Godwin  wrote:
> 
> So it's a thermionic character-generator ROM ?

Think of it as an analog character-generator ROM.


Terry Bowman, KA4HJH
"The Mac Doctor"

"If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner

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CK1414 Monoscope - was Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread Toby Thain

On 2022-05-12 11:41 a.m., Adrian Godwin wrote:

So it's a thermionic character-generator ROM ?

TubeTimeUS, who for all I know is on this list, has blogged in detail
about these:

http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/

https://twitter.com/TubeTimeUS/status/1002324117226287104

I own a handful of these tubes so I'm keen to recapitulate their work.

--Toby

On Thu, May 12, 2022 at 4:31 PM Nicholas Stock > wrote:

It's a 'monoscope'reads off letters on the end plate...

http://ed-thelen.org/comp-hist/CK1414.pdf

On Thu, May 12, 2022 at 8:27 AM jb-electronics
mailto:webmas...@jb-electronics.de>>
wrote:

I should probably know, but how does this generate the
characters, and
where can I read them off?

https://www.ebay.com/itm/354047743434

Cheers
Jens

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Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread Adrian Godwin

So it's a thermionic character-generator ROM ?

On Thu, May 12, 2022 at 4:31 PM Nicholas Stock  wrote:

> It's a 'monoscope'reads off letters on the end plate...
>
> http://ed-thelen.org/comp-hist/CK1414.pdf
>
> On Thu, May 12, 2022 at 8:27 AM jb-electronics <
> webmas...@jb-electronics.de> wrote:
>
>> I should probably know, but how does this generate the characters, and
>> where can I read them off?
>>
>> https://www.ebay.com/itm/354047743434
>>
>> Cheers
>> Jens
>>
>> --
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>>
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Re: [neonixie-l] What kind of display is this?

2022-05-12 Thread Nicholas Stock

It's a 'monoscope'reads off letters on the end plate...

http://ed-thelen.org/comp-hist/CK1414.pdf

On Thu, May 12, 2022 at 8:27 AM jb-electronics 
wrote:

> I should probably know, but how does this generate the characters, and
> where can I read them off?
>
> https://www.ebay.com/itm/354047743434
>
> Cheers
> Jens
>
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[neonixie-l] What kind of display is this?

2022-05-12 Thread jb-electronics

I should probably know, but how does this generate the characters, and 
where can I read them off?


https://www.ebay.com/itm/354047743434

Cheers
Jens

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Re: [neonixie-l] What is going on?

2021-09-08 Thread Dylan Distasio

Wow, I guess I should dig out my stock of those (although I think I only
have 6-10) and get listing!  I like the flat tops, but am willing to part
with them for that kind of money.

On Tue, Sep 7, 2021 at 10:11 AM Nicholas Stock  wrote:

> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
> literally NL840's with a flat top. $609.
>
>
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> 
> .
>

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Re: [neonixie-l] What is going on?

2021-09-08 Thread Richard Nicewonger

I absolutely agree and would like to extend that sentiment to Panaplex display 
calculators.

> On Sep 7, 2021, at 8:10 PM, Audrey  wrote:
> 
> Yeah. Especially nixie calculators. I absolutely hate to see those destroyed.
> 
> On Tue, Sep 7, 2021, 8:09 PM Trumpeter  > wrote:
> Hopefully they don't catch on to all the test equipment with nixies in 
> them...nothing will be spared.  
> 
> On Tuesday, September 7, 2021 at 9:51:52 AM UTC-7 nickja...@gmail.com 
>  wrote:
> Haha, that was a joke referring to overblown hype.  But construction 
> materials and labor are in short supply in the real world.
> 
> On Tue, Sep 7, 2021 at 11:46 AM Audrey > wrote:
> I dont think covid is increasing rhe prices of that one tube so 
> dramatically...
> 
> On Tue, Sep 7, 2021, 12:45 PM Nick Andrews > wrote:
> It's the new covid math.  Inflated perceptions and values for everything!  
> Seriously, we are estimating construction costs at +40% right now, especially 
> in VA hospitals.  It's insane.
> 
> On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock > wrote:
> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're literally 
> NL840's with a flat top. $609. 
> 
> 
> 
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Re: [neonixie-l] What is going on?

2021-09-08 Thread Paul Andrews

I been buying a Tesla :)

On Wednesday, September 8, 2021 at 9:24:43 AM UTC-4 Bill Notfaded wrote:

> I did bid on these tubes but the price went way too high.  It's the asian 
> buyer that want to build the "anime clock."  I think I'm going to start a 
> new thread called "What have you been buying lately."  I search still for 
> some deals out there.
>
> Bill
>
> On Tuesday, September 7, 2021 at 8:24:03 PM UTC-7 Terry Bowman wrote:
>
>>
>> On Sep 7, 2021, at 8:10 PM, Audrey  wrote:
>>
>> Yeah. Especially nixie calculators. I absolutely hate to see those 
>> destroyed.
>>
>>
>> What I'd like to know is what they're pulling all of the used IN-14s out 
>> of.
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor"
>>
>> https://www.astarcloseup.com
>>
>> “...the book said something astonishing, a very big thought. The stars, 
>> it said, were suns but very far away. The Sun was a star but close 
>> up.”—Carl Sagan, "The Backbone Of Night", *Cosmos*, 1980
>>
>>
>>

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Re: [neonixie-l] What is going on?

2021-09-08 Thread Bill Notfaded

I did bid on these tubes but the price went way too high.  It's the asian 
buyer that want to build the "anime clock."  I think I'm going to start a 
new thread called "What have you been buying lately."  I search still for 
some deals out there.

Bill

On Tuesday, September 7, 2021 at 8:24:03 PM UTC-7 Terry Bowman wrote:

>
> On Sep 7, 2021, at 8:10 PM, Audrey  wrote:
>
> Yeah. Especially nixie calculators. I absolutely hate to see those 
> destroyed.
>
>
> What I'd like to know is what they're pulling all of the used IN-14s out 
> of.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> https://www.astarcloseup.com
>
> “...the book said something astonishing, a very big thought. The stars, it 
> said, were suns but very far away. The Sun was a star but close up.”—Carl 
> Sagan, "The Backbone Of Night", *Cosmos*, 1980
>
>
>

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Re: [neonixie-l] What is going on?

2021-09-07 Thread Mac Doktor

> On Sep 7, 2021, at 8:10 PM, Audrey  wrote:
> 
> Yeah. Especially nixie calculators. I absolutely hate to see those destroyed.

What I'd like to know is what they're pulling all of the used IN-14s out of.

Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

“...the book said something astonishing, a very big thought. The stars, it 
said, were suns but very far away. The Sun was a star but close up.”—Carl 
Sagan, "The Backbone Of Night", Cosmos, 1980

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Re: [neonixie-l] What is going on?

2021-09-07 Thread Nick Andrews

Not when they think they are worth $3-900 on ebay!

On Tue, Sep 7, 2021, 7:11 PM Audrey  wrote:

> Yeah. Especially nixie calculators. I absolutely hate to see those
> destroyed.
>
> On Tue, Sep 7, 2021, 8:09 PM Trumpeter  wrote:
>
>> Hopefully they don't catch on to all the test equipment with nixies in
>> them...nothing will be spared.
>>
>> On Tuesday, September 7, 2021 at 9:51:52 AM UTC-7 nickja...@gmail.com
>> wrote:
>>
>>> Haha, that was a joke referring to overblown hype.  But construction
>>> materials and labor are in short supply in the real world.
>>>
>>> On Tue, Sep 7, 2021 at 11:46 AM Audrey  wrote:
>>>
 I dont think covid is increasing rhe prices of that one tube so
 dramatically...

 On Tue, Sep 7, 2021, 12:45 PM Nick Andrews  wrote:

> It's the new covid math.  Inflated perceptions and values for
> everything!  Seriously, we are estimating construction costs at +40% right
> now, especially in VA hospitals.  It's insane.
>
> On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock 
> wrote:
>
>> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
>> literally NL840's with a flat top. $609.
>>
>>
>> --
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>> Groups "neonixie-l" group.
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>> 
>> .
>>
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Re: [neonixie-l] What is going on?

2021-09-07 Thread Audrey

Yeah. Especially nixie calculators. I absolutely hate to see those
destroyed.

On Tue, Sep 7, 2021, 8:09 PM Trumpeter  wrote:

> Hopefully they don't catch on to all the test equipment with nixies in
> them...nothing will be spared.
>
> On Tuesday, September 7, 2021 at 9:51:52 AM UTC-7 nickja...@gmail.com
> wrote:
>
>> Haha, that was a joke referring to overblown hype.  But construction
>> materials and labor are in short supply in the real world.
>>
>> On Tue, Sep 7, 2021 at 11:46 AM Audrey  wrote:
>>
>>> I dont think covid is increasing rhe prices of that one tube so
>>> dramatically...
>>>
>>> On Tue, Sep 7, 2021, 12:45 PM Nick Andrews  wrote:
>>>
 It's the new covid math.  Inflated perceptions and values for
 everything!  Seriously, we are estimating construction costs at +40% right
 now, especially in VA hospitals.  It's insane.

 On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock 
 wrote:

> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
> literally NL840's with a flat top. $609.
>
>
> --
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> 
> .
>
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 .

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Re: [neonixie-l] What is going on?

2021-09-07 Thread Trumpeter

Hopefully they don't catch on to all the test equipment with nixies in 
them...nothing will be spared.  

On Tuesday, September 7, 2021 at 9:51:52 AM UTC-7 nickja...@gmail.com wrote:

> Haha, that was a joke referring to overblown hype.  But construction 
> materials and labor are in short supply in the real world.
>
> On Tue, Sep 7, 2021 at 11:46 AM Audrey  wrote:
>
>> I dont think covid is increasing rhe prices of that one tube so 
>> dramatically...
>>
>> On Tue, Sep 7, 2021, 12:45 PM Nick Andrews  wrote:
>>
>>> It's the new covid math.  Inflated perceptions and values for 
>>> everything!  Seriously, we are estimating construction costs at +40% right 
>>> now, especially in VA hospitals.  It's insane.
>>>
>>> On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock  wrote:
>>>
 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're 
 literally NL840's with a flat top. $609. 


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 .

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>>>  
>>> 
>>> .
>>>
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>> .
>>
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Re: [neonixie-l] What is going on?

2021-09-07 Thread Nick Andrews

Haha, that was a joke referring to overblown hype.  But construction
materials and labor are in short supply in the real world.

On Tue, Sep 7, 2021 at 11:46 AM Audrey  wrote:

> I dont think covid is increasing rhe prices of that one tube so
> dramatically...
>
> On Tue, Sep 7, 2021, 12:45 PM Nick Andrews  wrote:
>
>> It's the new covid math.  Inflated perceptions and values for
>> everything!  Seriously, we are estimating construction costs at +40% right
>> now, especially in VA hospitals.  It's insane.
>>
>> On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock 
>> wrote:
>>
>>> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
>>> literally NL840's with a flat top. $609.
>>>
>>>
>>> --
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>>> Groups "neonixie-l" group.
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>>> 
>>> .
>>>
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>> .
>>
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Re: [neonixie-l] What is going on?

2021-09-07 Thread Audrey

I dont think covid is increasing rhe prices of that one tube so
dramatically...

On Tue, Sep 7, 2021, 12:45 PM Nick Andrews  wrote:

> It's the new covid math.  Inflated perceptions and values for everything!
> Seriously, we are estimating construction costs at +40% right now,
> especially in VA hospitals.  It's insane.
>
> On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock  wrote:
>
>> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
>> literally NL840's with a flat top. $609.
>>
>>
>> --
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>> email to neonixie-l+unsubscr...@googlegroups.com.
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>> https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHL-hPOJ0gMf2GVU3XDJvxXOZsTLf%2B8xfAAF%2B3qVtxrV2Q%40mail.gmail.com
>> 
>> .
>>
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> .
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Re: [neonixie-l] What is going on?

2021-09-07 Thread Nick Andrews

It's the new covid math.  Inflated perceptions and values for everything!
Seriously, we are estimating construction costs at +40% right now,
especially in VA hospitals.  It's insane.

On Tue, Sep 7, 2021 at 9:12 AM Nicholas Stock  wrote:

> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
> literally NL840's with a flat top. $609.
>
>
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> 
> .
>

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[neonixie-l] What is going on?

2021-09-07 Thread Nicholas Stock

9 x NL900 tubes just sold for $609 on eBay. That is insane. They're
literally NL840's with a flat top. $609.

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[neonixie-l] What is a fair price for IN-14's nowadays?

2021-06-30 Thread ZY

I bought maybe 30-40 IN-14s a while back when they were going for a used 
price of $2-2.5 per tube after including shipping. 

I finally used up most of my stash building clocks for family and friends 
and I wanted to get a few more, but wow the prices have ballooned. The 
exact ebay listing I used for a lot of 6 a few years ago went from $20 to 
$100 from the same seller!

I haven't been in the buying business often enough to know if this is a 
price wave that will eventually subside, or because of rising popularity 
and limited stock the prices will only go up.

I'm wondering what should be a fair price for IN-14s now? I'm seeing maybe 
$15 per used tube? Am I just looking at the wrong places or is eBay still 
an ok place?

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Re: [neonixie-l] what would you drive these ETL GR10G with?

2020-09-09 Thread Paul Andrews

Those are GR10J. They aren’t finicky like the GR10G.

> On Sep 9, 2020, at 6:56 AM, Bill Notfaded  wrote:
> 
> 
> Sometimes it looks gold to me even though some people say copper!  Big bonus 
> I got another socket too!
> 
> Bill
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Re: [neonixie-l] what would you drive these ETL GR10G with?

2020-09-09 Thread Bill Notfaded

Sometimes it looks gold to me even though some people say copper!  Big
bonus I got another socket too!

Bill

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Re: [neonixie-l] what would you drive these ETL GR10G with?

2020-09-09 Thread Bill Notfaded

Got some partners to go with the other new tubes!
[image: s-l400 (96).jpg]
Really surprised I scored both of these tube types within days of each 
other from two different sellers!
I love the gold anodes!

Bill

On Friday, August 28, 2020 at 6:21:52 AM UTC-7 Bill Notfaded wrote:

> Good Morning Terry!
>
> I paid around 100$ each for two of them with the weird B26A sockets 
> included.  Considering how much the B-7971's are these days I thought that 
> was a steal in some ways and didn't hesitate to pull the trigger.  I now 
> have 3 of these and a Hivac GR10J "Nimicator" with the copper colored 
> anode.  The one in the family I'm still missing is the GR10J/F with red 
> coating.  It's been elusive.
>
> Bill
> On Wednesday, August 26, 2020 at 10:40:07 AM UTC-7 Terry Bowman wrote:
>
>>
>>
>> On Aug 25, 2020, at 9:51 PM, Nicholas Stock  wrote:
>>
>> The dekatron clock is almost complete.:)
>>
>>
>> WANT WANT WANT
>>
>> Wait, how much does it cost???  O_O
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor”
>>
>> "Never install version point-zero of anything"
>>
>>

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Re: [neonixie-l] what would you drive these ETL GR10G with?

2020-08-28 Thread Bill Notfaded

Good Morning Terry!

I paid around 100$ each for two of them with the weird B26A sockets 
included.  Considering how much the B-7971's are these days I thought that 
was a steal in some ways and didn't hesitate to pull the trigger.  I now 
have 3 of these and a Hivac GR10J "Nimicator" with the copper colored 
anode.  The one in the family I'm still missing is the GR10J/F with red 
coating.  It's been elusive.

Bill
On Wednesday, August 26, 2020 at 10:40:07 AM UTC-7 Terry Bowman wrote:

>
>
> On Aug 25, 2020, at 9:51 PM, Nicholas Stock  wrote:
>
> The dekatron clock is almost complete.:)
>
>
> WANT WANT WANT
>
> Wait, how much does it cost???  O_O
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor”
>
> "Never install version point-zero of anything"
>
>

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Re: [neonixie-l] what would you drive these ETL GR10G with?

2020-08-26 Thread Mac Doktor



> On Aug 25, 2020, at 9:51 PM, Nicholas Stock  wrote:
> 
> The dekatron clock is almost complete.:)


WANT WANT WANT

Wait, how much does it cost???  O_O


Terry Bowman, KA4HJH
"The Mac Doctor”

"Never install version point-zero of anything"

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[neonixie-l] What Type of Booster DC-DC is this one?

2020-07-11 Thread MrThe50sanchez

Hello !

I was making a little bit of research and found this type of booster 
converter. 

What can you tell me about this one? I wan't to know how it works. 

I nearly understand how flyback boosters converters works and LT1308 
devices, but:

-Does here the mosfet make the switching mode for the inductor (wich makes 
the pick voltage) and the Capacitor stores the high voltage and them It 
supplies it to the nixie tube?
-What's the mission of the pic here?, It give`s an OUTPUT voltage when and 
fisical switch is press (when is added to the pic)?

Thanks a lot.

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Re: [neonixie-l] What is this HV gadget?

2020-07-09 Thread Mac Doktor

> On Jul 2, 2020, at 1:05 PM, Paolo Cravero  wrote:
> 
> At this price it is not worth building a combination of  3v7 LiPo cell > 12V 
> booster > CCFL driver, which costs the same once you add a proper case. But 
> it solves the shipping delay if you've got everything at home.

I just received mine yesterday and it works perfectly. Lights them up like a 
Christmas tree. I can now put my DiscWasher Zerostat "pistol" back in a safe 
place. It's worth a lot more than what I paid for it 35 years ago.

Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com/

“The book said something astonishing, a very big thought.
It said that the stars were suns, only very far away.
The Sun was a star, but close up.”—Carl Sagan, Cosmos, 1980

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Re: [neonixie-l] What is this HV gadget?

2020-07-02 Thread Paolo Cravero

On Mon, Jun 29, 2020 at 9:29 PM Mac Doktor wrote:

>
> On Jun 28, 2020, at 9:30 PM, alb.001 alb.001 wrote:
>
> just search on eBay for  portable neon tester  and you find the same item
> for around  $14
>
>
> I bought one from a seller in the US (100% positive feedback) for $15.80,
> free shipping. He's sold out but there are plenty of others. Just watch out
> for the ones that are on a slow boat from China.
>

At this price it is not worth building a combination of  3v7 LiPo cell >
12V booster > CCFL driver, which costs the same once you add a proper case.
But it solves the shipping delay if you've got everything at home.

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Re: [neonixie-l] What is this HV gadget?

2020-06-29 Thread Mac Doktor


> On Jun 28, 2020, at 9:30 PM, alb.001 alb.001  wrote:
> 
> just search on eBay for  portable neon tester  and you find the same item for 
> around  $14
> 

I bought one from a seller in the US (100% positive feedback) for $15.80, free 
shipping. He's sold out but there are plenty of others. Just watch out for the 
ones that are on a slow boat from China.


Terry Bowman, KA4HJH
"The Mac Doctor"

"There is no Main Street anymore except at Disneyland—and try and buy a gun 
there"—Hank Hill

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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread Mac Doktor

> On Jun 25, 2020, at 7:55 PM, Charles MacDonald  wrote:
> 
> I got a similar one, it will light up one digit on a nixie tube.  also give 
> you an RF burn if you get your finger too close.  Good for a 1 cm arc on a 
> good day.

If all else fails I have an induction coil that's hot enough to generate some 
X-rays.

The "antique" that's been mentioned sounds like the old "violet wand", a quack 
medical device from back when electricity was new and exciting. Today they sell 
tons of them as sex toys. No well-equipped dungeon should be without one.

Terry Bowman, KA4HJH
"The Mac Doctor"

“Reality is that which, when you stop believing in it, doesn't go away.”–Philip 
K. Dick, I Hope I Shall Arrive Soon

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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread Charles MacDonald


On 2020-06-25 11:05 a.m., celzey11 wrote:

Supposedly they were designed for testing neon sign components, a quick way to 
see if a tube failed or not in the field without powering the whole thing up.



I got a similar one, it will light up one digit on a nixie tube.  also 
give you an RF burn if you get your finger too close.  Good for a 1 cm 
arc on a good day.



--
Charles MacDonald  VA3CPY   Stittsville Ontario
cm...@zeusprune.ca  Just Beyond the Fringe
No Microsoft Products were used in sending this e-mail.

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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread H. Carl Ott

I carry one of those cheap "ARC" cigarette lighters to test any tubes I
find at hamfests.  And to burn random things (mostly my eyeballs from the
raw UV). because I don't smoke.

  Nixes are scarce at  hamfests, but you do spot the occasional one hiding
in some old piece of test gear or a scrap PCB assembly.


carl

Henry Carl Ott   N2RVQhcarl...@gmail.com


On Thu, Jun 25, 2020 at 1:42 PM Michail Wilson  wrote:

> I also use a small plasma globe.   They are only $8 shipped on ebay.  Some
> even cheaper.
>
>
>
> I wish I could find nixies at swap meets.  Never have seen them, but I
> must just be at the wrong ones.  I do have a spare globe in my car just in
> case.
>
>
>
> Michail Wilson
>
> 206-920-6312
>
>
>
> *From:* neonixie-l@googlegroups.com  *On
> Behalf Of *Mark Moulding
> *Sent:* Thursday, June 25, 2020 10:08 AM
> *To:* neonixie-l 
> *Subject:* Re: [neonixie-l] What is this HV gadget?
>
>
>
> I bought one of these a copuple of years ago.  It seems to me it was a
> little cheaper than this, but not much (maybe $18 or so).  I don't know
> what the original application of these is - I'm certain it wasn't to help a
> bunch of gray-beard Nixie collectors at swap meets - but it does work well
> for that purpose.
>
> ~~
> Mark Moulding
>
>
>
> On Thursday, June 25, 2020 at 8:05:38 AM UTC-7, celzey11 wrote:
>
> Supposedly they were designed for testing neon sign components, a quick
> way to see if a tube failed or not in the field without powering the whole
> thing up.
>
> --
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> .
>
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> .
>

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RE: [neonixie-l] What is this HV gadget?

2020-06-25 Thread Michail Wilson

I also use a small plasma globe.   They are only $8 shipped on ebay.  Some even 
cheaper.

I wish I could find nixies at swap meets.  Never have seen them, but I must 
just be at the wrong ones.  I do have a spare globe in my car just in case.

Michail Wilson
206-920-6312

From: neonixie-l@googlegroups.com  On Behalf Of 
Mark Moulding
Sent: Thursday, June 25, 2020 10:08 AM
To: neonixie-l 
Subject: Re: [neonixie-l] What is this HV gadget?

I bought one of these a copuple of years ago.  It seems to me it was a little 
cheaper than this, but not much (maybe $18 or so).  I don't know what the 
original application of these is - I'm certain it wasn't to help a bunch of 
gray-beard Nixie collectors at swap meets - but it does work well for that 
purpose.
~~
Mark Moulding


On Thursday, June 25, 2020 at 8:05:38 AM UTC-7, celzey11 wrote:
Supposedly they were designed for testing neon sign components, a quick way to 
see if a tube failed or not in the field without powering the whole thing up.
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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread Nicholas Stock

Hey! Nothing wrong with grey-beards... :)

I use a cheap plasma globe for the same purposebut I like the
portability of this.never been to a swap meet though

On Thu, Jun 25, 2020 at 10:08 AM Mark Moulding  wrote:

> I bought one of these a copuple of years ago.  It seems to me it was a
> little cheaper than this, but not much (maybe $18 or so).  I don't know
> what the original application of these is - I'm certain it wasn't to help a
> bunch of gray-beard Nixie collectors at swap meets - but it does work well
> for that purpose.
> ~~
> Mark Moulding
>
>
> On Thursday, June 25, 2020 at 8:05:38 AM UTC-7, celzey11 wrote:
>>
>> Supposedly they were designed for testing neon sign components, a quick
>> way to see if a tube failed or not in the field without powering the whole
>> thing up.
>
> --
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> 
> .
>

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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread Mark Moulding

I bought one of these a copuple of years ago.  It seems to me it was a 
little cheaper than this, but not much (maybe $18 or so).  I don't know 
what the original application of these is - I'm certain it wasn't to help a 
bunch of gray-beard Nixie collectors at swap meets - but it does work well 
for that purpose.
~~
Mark Moulding

On Thursday, June 25, 2020 at 8:05:38 AM UTC-7, celzey11 wrote:
>
> Supposedly they were designed for testing neon sign components, a quick 
> way to see if a tube failed or not in the field without powering the whole 
> thing up. 

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Re: [neonixie-l] What is this HV gadget?

2020-06-25 Thread celzey11

Supposedly they were designed for testing neon sign components, a quick way to 
see if a tube failed or not in the field without powering the whole thing up. 

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Re: [neonixie-l] What is this HV gadget?

2020-06-24 Thread Ice cruncher

With a single probe. My best guess just an oudin coil

Used often times on argon, krypton and HeNe lasers. If tube lights up it is 
still gas intact otherwise it’s open to air

 But that is a guess



Sent from my iPad

>> On Jun 24, 2020, at 4:32 PM, Mac Doktor  wrote:
> https://www.ebay.com/itm/184339010355
> 
> 
> It looks like it was designed for some other purpose and may be available for 
> less elsewhere.
> 
> 
> Terry Bowman, KA4HJH
> "The Mac Doctor”
> 
> "Never install version point-zero of anything"
> 
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[neonixie-l] What is this HV gadget?

2020-06-24 Thread Mac Doktor

https://www.ebay.com/itm/184339010355 


It looks like it was designed for some other purpose and may be available for 
less elsewhere.


Terry Bowman, KA4HJH
"The Mac Doctor”

"Never install version point-zero of anything"

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Re: [neonixie-l] What kind of VFD tubes are these?

2020-04-16 Thread celzey11

Thanks!

On Thursday, April 16, 2020 at 6:34:40 PM UTC-4, Pramanicin wrote:
>
> Small ones are IV25
>
> Sent from my iPhone
>
> On Apr 16, 2020, at 15:25, celzey11 > 
> wrote:
>
> 
>
> -- 
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> https://groups.google.com/d/msgid/neonixie-l/f7a279fc-ca1d-4fde-9e0a-09b073e09e1a%40googlegroups.com
>  
> 
> .
> 
> 
>
>

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Re: [neonixie-l] What kind of VFD tubes are these?

2020-04-16 Thread Nicholas Stock

Look like IV26

Nick

Sent from my iPhone

> On Apr 16, 2020, at 15:25, celzey11  wrote:
> 
> 
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> 
> 

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Re: [neonixie-l] What kind of VFD tubes are these?

2020-04-16 Thread Nicholas Stock

Small ones are IV25

Sent from my iPhone

> On Apr 16, 2020, at 15:25, celzey11  wrote:
> 
> 
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> 
> 

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[neonixie-l] What kind of VFD tubes are these?

2020-04-16 Thread celzey11



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Re: [neonixie-l] What are these?

2019-08-13 Thread Bill Notfaded

The one with the numbers on the face is a nomotron tube.  They work kinda like 
a dekatron except they have numbers on them.  The ones nick has are wild 
looking tubes.  I've never had any of those before.

Bill

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Re: [neonixie-l] What are these?

2019-08-12 Thread Dekatron42

The one marked TD71 is an OTIS Touch Tube used in elevators. It is a touch 
sensitive trigger tube. They are also named 425A5 or 2040. They are similar to 
the RCA 1C22.

The 71 in TD71 is probably the voltage drop when triggered. You had to replace 
tubes with the same voltage drop to get the circuit to work properly. I’ve seen 
voltages from 69 to 74 stamped on these.

The other tube looks like a Geiger tube.

/Martin

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Re: [neonixie-l] What are these?

2019-08-12 Thread Dekatron42

Should have said 1C21, not 22.

/Martin

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Re: [neonixie-l] What are these?

2019-08-12 Thread martin martin

Looks like a 1950s vintage elevator pilot lamp.  I had one till it fell and
shattered!  I may be wrong, but looks close.



~
*mcvei...@gmail.com *


On Mon, Aug 12, 2019 at 2:46 PM Mac Doktor  wrote:

>
> On Aug 12, 2019, at 5:30 PM, Nicholas Stock  wrote:
>
> Any ideas folks?
>
>
> I can't think of the name of that indicator tube, either. One just sold on
> eBay but the seller didn't include a stock number (and he has the boxes
> swapped):
>
>
> https://www.ebay.com/itm/Burroughs-Nixie-Indicator-Tube-and-National-Readout-Tube-/254320776250
>
>
> As for the second tube, I'm guessing photo or radiation detector of some
> sort. Guessing.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> “Questions are a burden to others; answers a prison for oneself.”—*The
> Prisoner*, "Arrival"  8D
>
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> 
> .
>

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Re: [neonixie-l] What are these?

2019-08-12 Thread Mac Doktor


> On Aug 12, 2019, at 5:30 PM, Nicholas Stock  wrote:
> 
> Any ideas folks?

I can't think of the name of that indicator tube, either. One just sold on eBay 
but the seller didn't include a stock number (and he has the boxes swapped):

https://www.ebay.com/itm/Burroughs-Nixie-Indicator-Tube-and-National-Readout-Tube-/254320776250


As for the second tube, I'm guessing photo or radiation detector of some sort. 
Guessing.


Terry Bowman, KA4HJH
"The Mac Doctor"

“Questions are a burden to others; answers a prison for oneself.”—The Prisoner, 
"Arrival"  8D

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Re: [neonixie-l] What do you guys think of my homemade Nixiewatch?

2019-07-18 Thread Remco

Thanks Magnus!

Yes it is a bit big on my wrist Being only 23 years old they will probably 
grow. 
I think the case needs another iteration I still have 2.5 millimeter of 
aluminium on the bottom part wich can be brought down.

Op woensdag 17 juli 2019 15:57:05 UTC+2 schreef Soundbrigade:
>
> COOL!!!
> But doesn’t get too for your wrist ...??
>  
> /Magnus
>
>
> 
>  Virusfritt. 
> www.avast.com 
> 
>  
> <#94D0526220754D4890935791D39660B2@MK_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>

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Re: [neonixie-l] What do you guys think of my homemade Nixiewatch?

2019-07-18 Thread Remco

Thanks Magnus!

Yes it is a bit big on my wrist Being only 23 years old they will probably 
grow. 
I think the case needs another iteration I still have 2.5 millimeter of 
aluminium on the bottom part wich can be brought down.

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Re: [neonixie-l] What do you guys think of my homemade Nixiewatch?

2019-07-17 Thread HuggerMugger

COOL!!!
But doesn’t get too for your wrist ...??

/Magnus

From: Remco 
Sent: Wednesday, July 17, 2019 3:19 PM
To: neonixie-l 
Subject: [neonixie-l] What do you guys think of my homemade Nixiewatch?

Hi guys,



The last year or so I was doing a hobby project of a nixiewatch. I was 
wondering what you guys think of it.



I got inspired for the case by Craig Smith from this post: 
https://groups.google.com/forum/#!topic/neonixie-l/RINs0RbaYB8



It features:

- Two small nixie tubes of type z5900m.

- Accurate real time clock.

- Calculations showed that 350 hours standby time was easily achievable.

- Bluetooth for controlling settings and setting the time of the watch as well 
as seeing the battery status.
- Some Bluetooth settings include: Animation On/Off, Manual or accelerometer 
triggering of tubes, background led On/Off. Programmable button for seeing 
temperature of battery  percentage.

- Accelerometer for triggering the tubes when wrist is turned

- 300 mAh battery.

- Powerfull microcontroller.

- Ultra low power microcontroller.

- RGB led for multiple purposes.

- Battery gas gauge IC for accurately monitoring the battery state.

- micro USB for charging the battery.

- One multi direction button for triggering, Bluetooth connection and a 
programmable button for temperature reading or battery status.

- CNC milled housing from Aluminum.

- Plexiglass window for protection

- Bluetooth phone application.

- Optional time synchronization via WiFi.

- Optional Vibration motor to indicate smartphone notifications like Whatsapp, 
Facebook, Snapchat, SMS...

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---
Detta e-postmeddelande har sökts igenom efter virus med antivirusprogram från 
Avast.
https://www.avast.com/antivirus

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Re: [neonixie-l] What does your shop look like?

2019-07-08 Thread Nicholas Stock

Indeedwe felt the latest quake centered outside of LAbit of a
roller, not very strong, but I'm quite a way south of LA. When you spend
that much time organizing, the last thing you want is mother nature putting
a couple thousand  components, screws and nuts all over the place!

On Mon, Jul 8, 2019 at 8:36 AM Jon Jackson  wrote:

> Nick,
>
> You must live in southern California having those nets to catch anything
> that shakes off of the shelves...
>
> Jon
>
>
> On Mon, Jul 8, 2019 at 9:19 AM Nicholas Stock  wrote:
>
>> We used to be able to park cars in the garage
>>
>> Ha ha ha...
>>
>> [image: image1.jpeg]
>>
>> [image: image2.jpeg]
>>
>>
>>
>>
>>
>>>
>>> On 2019-07-07 11:20 a.m., martin martin wrote:
>>>
>>> We all design and build clocks until there's no more room in the house
>>> for another one... then we make a new one!
>>> What does your shop look like?  Is it the garage, basement, kitchen?
>>>
>>> Here's my little corner of the house:
>>> Tektronix 100 MHz scope with built-in freq counter and VM
>>> Lambda dual power supply (80s vintage)
>>> Heathkit 2.5 VOM (70s)
>>> Fluke auto-ranging VOM
>>>
>>> Of course the scope doubles as a clock - 1965 GE Telechron clock in the
>>> background- extremely accurate too
>>> --
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Re: [neonixie-l] What does your shop look like?

2019-07-08 Thread Jon Jackson

Nick,

You must live in southern California having those nets to catch anything
that shakes off of the shelves...

Jon


On Mon, Jul 8, 2019 at 9:19 AM Nicholas Stock  wrote:

> We used to be able to park cars in the garage
>
> Ha ha ha...
>
> [image: image1.jpeg]
>
> [image: image2.jpeg]
>
>
>
>
>
>>
>> On 2019-07-07 11:20 a.m., martin martin wrote:
>>
>> We all design and build clocks until there's no more room in the house
>> for another one... then we make a new one!
>> What does your shop look like?  Is it the garage, basement, kitchen?
>>
>> Here's my little corner of the house:
>> Tektronix 100 MHz scope with built-in freq counter and VM
>> Lambda dual power supply (80s vintage)
>> Heathkit 2.5 VOM (70s)
>> Fluke auto-ranging VOM
>>
>> Of course the scope doubles as a clock - 1965 GE Telechron clock in the
>> background- extremely accurate too
>> --
>> You received this message because you are subscribed to the Google Groups
>> "neonixie-l" group.
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Re: [neonixie-l] What if....

2019-07-07 Thread Matthew

Magnificent!

The only time that I use a cover over the tubes is to protect the red coating 
from possible damage due to cleaning or being out in
the open.  If the tubes are just glass, then I omit the cover and just dust off 
the tubes when they get dusty.  Although, if the red
coating is "easily" replaceable, then having a cover is completely unnecessary.

I prefer Dalibor's colon tubes.  They are probably (I do not have one yet) a 
better match, and probably last longer than the tiny
neon bulbs used with other clocks.  I noticed significant blackening on the 
tiny neon tubes that I run.

Dalibor wrote about developing a red filter on 10/12/2017, but had brightness 
issues.  I wonder if Nicholas' filter solves that problem.

On 07/07/2019 03:15 PM, Nicholas Stock wrote:
> they’d put a red filter on them???
>
>
>
>
> Sent from my iPhone
>

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Re: [neonixie-l] What if....

2019-07-07 Thread martin martin

I just bought these 6 on the Bay. Came with a nice red coating (not as nice
as we see) but I'll still build a clock as they are..

https://www.ebay.com/itm/Z573M-nixie-tubes-NOS-Lot-of-6-pcs/283504747766?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649




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On Sun, Jul 7, 2019 at 7:14 PM H. Carl Ott  wrote:

> Now that, is pretty neat.
>
> On Sun, Jul 7, 2019, 3:15 PM Nicholas Stock  wrote:
>
>> they’d put a red filter on them???
>>
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Re: [neonixie-l] What if....

2019-07-07 Thread H. Carl Ott

Now that, is pretty neat.

On Sun, Jul 7, 2019, 3:15 PM Nicholas Stock  wrote:

> they’d put a red filter on them???
>
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Re: [neonixie-l] What if....

2019-07-07 Thread Nicholas Stock

Ha ha! Had this one sitting in a cupboard for a couple years.:-)

Still a great idea though! I like to see my electronics...

Sent from my iPhone

> On Jul 7, 2019, at 18:54, Kevin A.  wrote:
> 
> I see you stole my acrylic case idea ;) 
> 
>> On Sun, Jul 7, 2019, 3:15 PM Nicholas Stock  wrote:
>> they’d put a red filter on them???
>> 
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Re: [neonixie-l] What does your shop look like?

2019-07-07 Thread Mahdi Al Husseini

On Sun, Jul 7, 2019 at 2:15 PM David Forbes  wrote:

> I'm moving this week, so it looks like this.
>
>
> On Sun, Jul 7, 2019, 12:09 PM jb-electronics 
> wrote:
>
>> Great idea, looking forward to seeing all your workshops! I have finally
>> been able to set up a small workbench in my student's dorm as well. The
>> problem is that I cannot bold anything to the walls, so I have to be
>> creative. I am still starting out, but this is what I have so far.
>>
>> Cheers
>> Jens
>>
>> [image: https://pbs.twimg.com/media/D9y5mPWU4AA8Q6w.jpg]
>>
>> On 2019-07-07 11:20 a.m., martin martin wrote:
>>
>> We all design and build clocks until there's no more room in the house
>> for another one... then we make a new one!
>> What does your shop look like?  Is it the garage, basement, kitchen?
>>
>> Here's my little corner of the house:
>> Tektronix 100 MHz scope with built-in freq counter and VM
>> Lambda dual power supply (80s vintage)
>> Heathkit 2.5 VOM (70s)
>> Fluke auto-ranging VOM
>>
>> Of course the scope doubles as a clock - 1965 GE Telechron clock in the
>> background- extremely accurate too
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Re: [neonixie-l] What if....

2019-07-07 Thread jb-electronics


They look incredible! Great job!

On 2019-07-07 1:15 p.m., Nicholas Stock wrote:

they’d put a red filter on them???



Sent from my iPhone



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Re: [neonixie-l] What does your shop look like?

2019-07-07 Thread jb-electronics

Great idea, looking forward to seeing all your workshops! I have finally
been able to set up a small workbench in my student's dorm as well. The
problem is that I cannot bold anything to the walls, so I have to be
creative. I am still starting out, but this is what I have so far.

Cheers
Jens

https://pbs.twimg.com/media/D9y5mPWU4AA8Q6w.jpg

On 2019-07-07 11:20 a.m., martin martin wrote:
We all design and build clocks until there's no more room in the house
for another one... then we make a new one!

What does your shop look like? Is it the garage, basement, kitchen?

Here's my little corner of the house:
Tektronix 100 MHz scope with built-in freq counter and VM
Lambda dual power supply (80s vintage)
Heathkit 2.5 VOM (70s)
Fluke auto-ranging VOM

Of course the scope doubles as a clock - 1965 GE Telechron clock in
the background- extremely accurate too

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Re: [neonixie-l] What a find!

2019-04-22 Thread Paul Andrews

The software just runs on an Arduino (or maybe Wemos) and you attach a probe to 
the pin on the Arduino. There is no PCB involved, but as I said, the results 
aren’t great.

> On Apr 22, 2019, at 9:17 PM, martin martin  wrote:
> 
> Hey Paul, do you have a PCB for what you made for your counter?  I'll buy and 
> we can save the counter from "Nixie Harvesting" ;)
> 
> 
> 
>> On Mon, Apr 22, 2019 at 3:35 PM Paul Andrews  wrote:
>> I just attached the probe from the counter to the pin I was toggling. I’m 
>> not sure how your unit would work.
>> 
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Re: [neonixie-l] What a find!

2019-04-22 Thread martin martin

Hey Paul, do you have a PCB for what you made for your counter?  I'll buy
and we can save the counter from "Nixie Harvesting" ;)



On Mon, Apr 22, 2019 at 3:35 PM Paul Andrews  wrote:

> I just attached the probe from the counter to the pin I was toggling. I’m
> not sure how your unit would work.
>
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Re: [neonixie-l] What a find!

2019-04-22 Thread Paul Andrews

I just attached the probe from the counter to the pin I was toggling. I’m not 
sure how your unit would work.

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Re: [neonixie-l] What a find!

2019-04-22 Thread martin martin

Hi Paul,
This instrument is an odd counter and programmable timer.  If you look
close you’ll need the dials yo pick your time interval.   I am not a
programmer at all. I did in college but that was long ago.

If I were to modify it wouldn’t I have to cut circuitry?  There’s a pic of
the TTL in sockets.

What do you think?

On Mon, Apr 22, 2019 at 04:31 Paul Andrews  wrote:

> I spent a little time developing a frequency generator yo display the time
> on frequency counters. Here’s a link to my write up:
> https://www.nixies.us/2018/03/25/display-the-time-on-an-old-frequency-counter/
>
> Ultimately, not something I’d recommend, but fun anyway.
>
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Re: [neonixie-l] What a find!

2019-04-22 Thread Paul Andrews

I spent a little time developing a frequency generator yo display the time on 
frequency counters. Here’s a link to my write up: 
https://www.nixies.us/2018/03/25/display-the-time-on-an-old-frequency-counter/

Ultimately, not something I’d recommend, but fun anyway.

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Re: [neonixie-l] What a find!

2019-04-21 Thread martin martin

Look at the pinout.  Very odd.  And, they were made in Geneva, IL!

On Sun, Apr 21, 2019 at 9:13 AM Nicholas Stock  wrote:

> Nice tubes...that was a good find!
>
> On Sun, Apr 21, 2019 at 9:12 AM martin martin  wrote:
>
>> The tubes are National Instruments NL-842.  They site nicely behind a
>> clean red bezel.
>>
>> On Sun, Apr 21, 2019 at 9:07 AM Kevin A. 
>> wrote:
>>
>>> Yeah you could drive the counter with a frequency generator circuit or
>>> something similar to display time. If it works I would try to preserve the
>>> originality of the whole unit!
>>>
>>> Showing time could readily be accomplished with an ESP, Arduino, or
>>> similar for 10 bucks in hardware.
>>>
>>> What tube type does it have?
>>>
>>> On Sun, Apr 21, 2019, 11:47 AM Nicholas Stock 
>>> wrote:
>>>
 Maybe turn it into a clock as is?? Ala Paul Parry

 Sent from my iPhone

 On Apr 21, 2019, at 08:45, martin martin  wrote:

 I found this in a surplus store in Los Angeles.  Berkely 6401
 Programmable Counter Timer.  Built in about 74-75.  Completely designed
 with TTL all in sockets too.
 That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works
 too!  I can't bare to take it apart to make just to make two clocks!


 https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing

 -martin





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Re: [neonixie-l] What a find!

2019-04-21 Thread Nicholas Stock

Nice tubes...that was a good find!

On Sun, Apr 21, 2019 at 9:12 AM martin martin  wrote:

> The tubes are National Instruments NL-842.  They site nicely behind a
> clean red bezel.
>
> On Sun, Apr 21, 2019 at 9:07 AM Kevin A. 
> wrote:
>
>> Yeah you could drive the counter with a frequency generator circuit or
>> something similar to display time. If it works I would try to preserve the
>> originality of the whole unit!
>>
>> Showing time could readily be accomplished with an ESP, Arduino, or
>> similar for 10 bucks in hardware.
>>
>> What tube type does it have?
>>
>> On Sun, Apr 21, 2019, 11:47 AM Nicholas Stock 
>> wrote:
>>
>>> Maybe turn it into a clock as is?? Ala Paul Parry
>>>
>>> Sent from my iPhone
>>>
>>> On Apr 21, 2019, at 08:45, martin martin  wrote:
>>>
>>> I found this in a surplus store in Los Angeles.  Berkely 6401
>>> Programmable Counter Timer.  Built in about 74-75.  Completely designed
>>> with TTL all in sockets too.
>>> That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works
>>> too!  I can't bare to take it apart to make just to make two clocks!
>>>
>>>
>>> https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing
>>>
>>> -martin
>>>
>>>
>>>
>>>
>>>
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Re: [neonixie-l] What a find!

2019-04-21 Thread martin martin

The tubes are National Instruments NL-842.  They site nicely behind a clean
red bezel.

On Sun, Apr 21, 2019 at 9:07 AM Kevin A. 
wrote:

> Yeah you could drive the counter with a frequency generator circuit or
> something similar to display time. If it works I would try to preserve the
> originality of the whole unit!
>
> Showing time could readily be accomplished with an ESP, Arduino, or
> similar for 10 bucks in hardware.
>
> What tube type does it have?
>
> On Sun, Apr 21, 2019, 11:47 AM Nicholas Stock  wrote:
>
>> Maybe turn it into a clock as is?? Ala Paul Parry
>>
>> Sent from my iPhone
>>
>> On Apr 21, 2019, at 08:45, martin martin  wrote:
>>
>> I found this in a surplus store in Los Angeles.  Berkely 6401
>> Programmable Counter Timer.  Built in about 74-75.  Completely designed
>> with TTL all in sockets too.
>> That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works too!
>> I can't bare to take it apart to make just to make two clocks!
>>
>>
>> https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing
>>
>> -martin
>>
>>
>>
>>
>>
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Re: [neonixie-l] What a find!

2019-04-21 Thread Kevin A.

Yeah you could drive the counter with a frequency generator circuit or
something similar to display time. If it works I would try to preserve the
originality of the whole unit!

Showing time could readily be accomplished with an ESP, Arduino, or similar
for 10 bucks in hardware.

What tube type does it have?

On Sun, Apr 21, 2019, 11:47 AM Nicholas Stock  wrote:

> Maybe turn it into a clock as is?? Ala Paul Parry
>
> Sent from my iPhone
>
> On Apr 21, 2019, at 08:45, martin martin  wrote:
>
> I found this in a surplus store in Los Angeles.  Berkely 6401 Programmable
> Counter Timer.  Built in about 74-75.  Completely designed with TTL all in
> sockets too.
> That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works too!
> I can't bare to take it apart to make just to make two clocks!
>
>
> https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing
>
> -martin
>
>
>
>
>
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Re: [neonixie-l] What a find!

2019-04-21 Thread Nicholas Stock

Maybe turn it into a clock as is?? Ala Paul Parry

Sent from my iPhone

> On Apr 21, 2019, at 08:45, martin martin  wrote:
> 
> I found this in a surplus store in Los Angeles.  Berkely 6401 Programmable 
> Counter Timer.  Built in about 74-75.  Completely designed with TTL all in 
> sockets too.
> That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works too!  I 
> can't bare to take it apart to make just to make two clocks!
> 
> https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing
> 
> -martin
> 
> 
> 
> 
> 
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[neonixie-l] What a find!

2019-04-21 Thread martin martin

I found this in a surplus store in Los Angeles.  Berkely 6401 Programmable 
Counter Timer.  Built in about 74-75.  Completely designed with TTL all in 
sockets too.
That's 9 perfect 0.75" tall Nixies and 1 special symbol Nix.  Works too!  I 
can't bare to take it apart to make just to make two clocks!

https://drive.google.com/drive/folders/1UxNk-MNiddaSGiuZOHX8Y3V2DiR3hdFz?usp=sharing

-martin





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Re: [neonixie-l] What is this connector called?

2018-09-27 Thread Nick

For lower-speed use cases, i.e. < 50MHz, I solder these to a ribbon cable 
which is then terminated in an IDC connector. I intersperse GND and signal 
lines.

I then have a similar connector (opposite gender) going to the logic 
analyser.

Big plus is that I can disconnect a DUT easily, i.e. have several on the go 
at once.

I got the idea from the Digilent Analog Discovery 2 and DIgital DIscovery  
which has similar probe s

https://store.digilentinc.com/2x16-flywires-signal-cable-assembly-for-the-digital-discovery/
 

Nick

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[neonixie-l] What is this connector called?

2018-09-27 Thread Paul Andrews

You often find these for sale at vintage radio swap meets, with or without 
leads attached.

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Re: [neonixie-l] What is this connector called?

2018-09-27 Thread gregebert

I've seen 2 types of grabbers

   - Cheaper ones that are a simple 'J' shape to reach around a pin. They 
   work fairly well with 0.1" pitch devices.  I got a bunch of these with an 
   HP Logic Analyzer.
   - Similar to the picture above, almost like a pair of arms that hug the 
   pin. With some patience, you can grab onto 0.05" pitch devices. They 
   hold-on very well and once they are secured they wont short against 
   adjacent pins. 

The only drawback is that these grabbers require a jumper-wire to be 
connected, and they pop-off easily.

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Re: [neonixie-l] What is this connector called?

2018-09-26 Thread 'John Rehwinkel' via neonixie-l

Digikey has a variety of very appealing versions.

https://www.digikey.com/products/en/test-and-measurement/test-clips-grabbers-hooks/620
 


The ones pictured look like Pomona Micrograbbers:

https://www.digikey.com/product-detail/en/pomona-electronics/5790-0/501-1387-ND/737448
 


Other possibilities:

https://www.digikey.com/product-detail/en/cal-test-electronics/CT2487/BKCT2487-ND/5765486
 


https://www.digikey.com/product-detail/en/tpi-test-products-int/MC1R/290-1121-ND/31
 


- John


> On Sep 26, 2018, at 8:33 PM, Terry S  wrote:
> 
> Typically referred to as micro-grabbers.
> 
> On Wednesday, September 26, 2018 at 7:14:05 PM UTC-5, Jens Boos wrote:
> Hello friends,
> 
> I am currently setting up a new way of photographing Nixie tubes which will 
> hopefully result in better quality pictures. To that end, I am also 
> considering using different connectors to the Nixie tube pins. I was thinking 
> about these:
> 
> 
> https://www.amazon.com/P5003-Jumper-Analyzer-Testing-Accessories/dp/B07FQLHTBM/
>  
> 
> I have no idea what they are called in technical terms, and the Amazon 
> listing is also kind of vague. I am asking since I want to purchase these at 
> Digikey or Mouser along with a bunch of other components, but it is hard to 
> look for these without having the proper term.
> 
> Can anybody help? It is greatly appreciated!
> 
> Best wishes
> Jens
> 
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[neonixie-l] What is this connector called?

2018-09-26 Thread jb-electronics


Hello friends,

I am currently setting up a new way of photographing Nixie tubes which 
will hopefully result in better quality pictures. To that end, I am also 
considering using different connectors to the Nixie tube pins. I was 
thinking about these:


P5003 10Pcs Mini IC Test Hook Clip Jumper Probe Logic Analyzer Testing 
Accessories - Measurement & Analysis Instruments Digital Multimeters & 
Oscilloscopes - 10 x P5003 10Pcs Mini Grabber SMD


https://www.amazon.com/P5003-Jumper-Analyzer-Testing-Accessories/dp/B07FQLHTBM/

I have no idea what they are called in technical terms, and the Amazon 
listing is also kind of vague. I am asking since I want to purchase 
these at Digikey or Mouser along with a bunch of other components, but 
it is hard to look for these without having the proper term.


Can anybody help? It is greatly appreciated!

Best wishes
Jens

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[neonixie-l] What soviet-era equipment used IN-18's ?

2018-09-19 Thread Thomas Kummer

  Please take this with a grain of salt as this is purely speculation. I 
believe they were intended to be used in airports, sporting events, and any 
place where a large number of people would be looking at them from a far. 
However, I think that very few of them ever saw much use, as most of the ones 
on eBay are NOS, or used by a hobbyist. Often times, when a government 
completely controls the means of production, they don’t always produce 
necessary goods. Often, they will produce goods just to keep people employed, 
to help them stay in power. Basically, there could be absolutely no demand for 
a product, yet it is being made like they can’t meet the demand. Which, 
honestly is good for us hobbyists now, but not so good for the citizens of that 
time. Again, this is purely speculation, but it would explain why you find so 
many more NOS Russian tubes compared to NOS tubes from NATO countries. That and 
the fact that Russia was late to develop VFDs and LEDs. 

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[neonixie-l] What soviet-era equipment used IN-18's ?

2018-09-12 Thread gregebert

Has anyone here come across a piece of equipment that used IN-18's ?
I've seen bits and pieces of equipment for sale that used other tubes, but 
never IN-18's

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[neonixie-l] What ever became of the RCA mystery tube?

2017-11-15 Thread jb-electronics


Hi folks,

I was just going through some old files and I found these two pictures 
of an old Ebay listing for some sort of RCA (?) indicator lab sample:


Does anybody have more information about this? I am not even sure what 
kind of device we are dealing with. Judging from the coated wires it is 
probably gas-filled, making this a gas discharge display. In 2011, after 
it was discovered on Ebay, it was conjectured that Giorgio Basile won 
the auction, see his magnificent website here: 
http://www.lampes-et-tubes.info/index-e.htm . Unfortunately, it is not 
listed there. So I am wondering: does anyone around here have pictures 
of this wonderfully interesting tube in action?


I am curious to hear your thoughts.

Cheers
Jens


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[neonixie-l] What is this 6209 G from sharp calculator?

2017-04-22 Thread Paul Andrews

Hi,

I'm salvaging some tubes from an old (broken) Sharp calculator and there is 
this on the display board (unfortunately I couldn't de-solder it so it is a 
little beat up, though probably salvageable). I can't find out what it is, 
does anyone know?




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[neonixie-l] What voltage/current to run tubes at

2017-02-07 Thread SWISSNIXIE - Jonathan F.

If you have pwm available, i would use the duty cycle for adjusting the 
brightness. 

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[neonixie-l] What voltage/current to run tubes at

2017-02-07 Thread 'kitehman' via neonixie-l

finally got a power supply and am wondering what to run my IN-1 tubes at

IIRC your supposed to use current to change the brightness right?

i set the supply to 140v and am using 10K or 20K ohm resisters on the 
cathode and get 1.01-1.24ma at 10Kohm and 0.65-.083ma at 20Kohm

what the target? lowest voltage or lowest current?

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