Re: [neonixie-l] VFD pen

[Dylan Distasio]

Yeah, I understand the pricing, just wish I could afford one along with
your watch :-).  Any idea on how much your scope kits are going to run?
I've never built one and would love to start with yours.

On Wed, Mar 16, 2016 at 12:46 PM, David Forbes 
wrote:

> It may be an expensive pen, but it's a reasonable price for a machined
> product containing electronics. It's not easy to make these things.
>
>
> On 3/16/16 8:15 AM, Dylan Distasio wrote:
>
>> Very cool, but holy $hite, that's an expensive pen!
>>
>>
>
> --
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Re: [neonixie-l] Re: VFD pen

[Nicholas Stock]

Or these!

http://www.ebay.com/itm/3-pcs-IV-21-21-NIXIE-TUBE-LARGE-7-SEGMENT-8-DIGITS-VFD-VINTAGE-DISPLAY-/281968001950?&_trksid=p2056016.l4276

Or the ones in my man cave either,.

On Wed, Mar 16, 2016 at 8:25 AM, Nick  wrote:

> Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s
> remaining IV-21 VFD tubes."
>
> Not mine, they didn't !
>
> Nick
>
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[neonixie-l] VFD pen

[Petro Vodopyan]

Hello,
Wanted to share an interesting finding - IV-21 VFD pen:
http://gelfman.ch/en/ Probably it was already posted here...


Petro

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Re: [neonixie-l] OT: RPi 3 + Occulus Rift

[Michail1 via neonixie-l]

Video's or Pics of what you have done.
 
Interested in seeing what you did.
 
You broadcasting the video from the robot so you can see?
Via wifi or BT?
 
I am interested, because I have been playing a lot of NodeMCU  modules.
 
Michail  

 
In a message dated 3/16/2016 10:43:18 A.M. Pacific Daylight Time,  
n...@desmith.net writes:

Been playing with some of these, connecting them to an Oculus  Rift for a 
robotics project...  


Mean bits of kit - the Pi 3 is a wonderful card - USD 35, includes WiFi,  
BT, 4 x USB, Ethernet, HDMI, 64-bit, quad code 1.2GHz ARM 8 etc. etc. still  
only the size of a credit card and the same price as the Pi 2B+ though much  
more feature rich & a lot faster.Only downside (slight) is 1Gb RAM - more  
than enough for Linux.


Getting to really like it...


Nick

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Re: [neonixie-l] Used or NOS?

[Dekatron42]

I just remembered that they are used in the Leybold 55952 counter as 
voltage regulators for the Geiger-tube power supply, but I can't remember 
how they glowed even though I think they actually glowed as four distinct 
tubes inside the envelope. I restored one of those counters and passed it 
on to another collector but that was some years ago.

/Martin

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[neonixie-l] Re: VFD pen

[Nick]

Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s 
remaining IV-21 VFD tubes."

Not mine, they didn't !

Nick

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[neonixie-l] Re: Graphic Weather Display For Your Next Scope Clock?

[A_Nonamus]

No, you've got it backwards... rather than adding rain to a clock, add a 
clock to the rain; make the individual digits replace the raindrops. Just 
single digits at a time, with no trails of digits following after, though. 
Otherwise it looks too much like The Matrix.

On Sunday, March 13, 2016 at 12:27:58 AM UTC-8, Oscilloclock wrote:
>
> Very nice! I'm sure someone on this group can add that to a clock soon!
>

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[neonixie-l] Re: Why were dekatrons still manufactured as recently as 1992 ?

['threeneurons' via neonixie-l]

For Soviet tubes, we see lots of nixies with 1992 date codes, so dekatrons 
with like date codes are no surprise. As mentioned, if it was used in their 
defense industry, then they probably would keep making the parts, until 
that equipment was no longer in service. In any bureaucracy, that could be 
a while. The Soviet Union collapsed ~August of 1991. Probably took a few 
months to close down the factories.

In "the West", most tube production, other than CRTs and microwave 
magnatrons, ended ~1975. 

On Tuesday, March 15, 2016 at 2:47:14 PM UTC-7, gregebert wrote:
>
> I bought a few spare A-101's and at least one had a 1992 manufacturing 
> date.
>
> So I'm wondering what could the former Soviet Union have needed with such 
> old technology in the 1990's ? I would have expected that they would have 
> replaced all their dekatron equipment by then, so even spare tubes should 
> not have been needed. Or, am I entirely wrong and they continued to use 
> 1950's era technology for another 30-40 years ?
>
> Or perhaps was there rampant waste & excess that old factories kept 
> churning-out obsolete devices, only to store them in warehouses, just to 
> keep workers employed ?
>
> Too bad the soviets didn't make tons of CD47's
>

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[neonixie-l] Re: Why were dekatrons still manufactured as recently as 1992 ?

[Nick Sargeant]

I was in Lithuania in the early 90s, shortly after the exit of the 
Russians. There were factories there still making ICs and stockpiling them, 
even though the products they were targeted for were history. As I recall, 
they were making DEC VAX clones, and that is what the ICs were aiming for. 
Since I was working for IBM at the time, talking to the Ministry of 
Informatics about their grand plan to take our PowerPC motherboards, it was 
all very strange. 

Mind you, their unemployment level was close to 0%. 

On Tuesday, 15 March 2016 21:47:14 UTC, gregebert wrote:
>
> I bought a few spare A-101's and at least one had a 1992 manufacturing 
> date.
>
> So I'm wondering what could the former Soviet Union have needed with such 
> old technology in the 1990's ? I would have expected that they would have 
> replaced all their dekatron equipment by then, so even spare tubes should 
> not have been needed. Or, am I entirely wrong and they continued to use 
> 1950's era technology for another 30-40 years ?
>
> Or perhaps was there rampant waste & excess that old factories kept 
> churning-out obsolete devices, only to store them in warehouses, just to 
> keep workers employed ?
>
> Too bad the soviets didn't make tons of CD47's
>

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[neonixie-l] Re: FS: IV-4, IV-12, IV-17, IV-26

[Yuriy Ovchinnikov]

Actual list:

IV-1 – 39 pcs.,
IV-3A – 142 pcs.,

IV-4 – 24 pcs.,
IV-4 used – 111 pcs.,
IV-6 – 126 pcs.,
IV-6 used – 19 pcs.,
IV-8 – 191 pcs.,

IV-11 – 120 pcs.,
IV-11 used – 4 pcs.,
IV-12 – 221 pcs.,

IV-17 – 167 pcs.,
IV-20 – 2 pcs.,

IV-22 – 87 pcs.,
IV-26 – 800 pcs. for $2,
IV-28А – 1 pcs.,
IVL-1-7/5 – 2 pcs.,

IVL-2-7/5 – 24 pcs.,

IVLShU-1-11/2 – 39 pcs.,

IN-1 – 242 pcs.,

IN-2 – 347 pcs.,
IN-4 – 4 pcs.,
IN-7 – 32 pcs.,

IN-8 – 2 pcs.,
IN-9 used – 11 pcs.,

IN-12A – 8 pcs.,

IN-12B – 8 pcs.,

IN-13 – 3 pcs.,
IN-14 used – 100 pcs.,

IN-15А – 19 pcs.,
IN-15B – 15 pcs.,

IN-17 – 51 pcs. for $3,

IN-19А – 1 pc.,
IN-19B – 1 pc.,
IN-19V – 7 pcs.

четверг, 10 сентября 2015 г., 7:39:43 UTC+3 пользователь Yuriy Ovchinnikov 
написал:
>
> FS: 
> IV-4 - 11 pcs., 
> IV-12 - 73 pcs., 
> IV-17 - 13 pcs., 
> IV-26 - more 800 pcs.
> Anyone want?
>

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Re: [neonixie-l] Captions please

[Jonathan Peakall]

In time she will come to regard me not only with respect and awe, but 
with love...




On 3/19/2016 9:50 AM, Quixotic Nixotic wrote:

Captions please.


John S
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Re: [neonixie-l] Captions please

[Instrument Resources of America]

Hey man!!!  Dat would be cool





On 3/19/2016 11:11 AM, Jeff Walton wrote:
 
  A NIXIE BONG!   WHY DIDN'T I THINK OF THIS BEFORE???


 Original message 
From: Quixotic Nixotic 
Date: 3/19/2016  11:50 AM  (GMT-06:00)
To: neonixie-l@googlegroups.com
Subject: [neonixie-l] Captions please

Captions please.

John S



 A NIXIE BONG!   WHY DIDN'T I THINK OF THIS BEFORE???


 Original message 
From: Quixotic Nixotic 
Date: 3/19/2016 11:50 AM (GMT-06:00)
To: neonixie-l@googlegroups.com
Subject: [neonixie-l] Captions please

Captions please.


John S
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<>

RE: [neonixie-l] Captions please

[Jeff Walton]

 A NIXIE BONG!   WHY DIDN'T I THINK OF THIS BEFORE???  Original message From: Quixotic Nixotic  Date: 3/19/2016  11:50 AM  (GMT-06:00) To: neonixie-l@googlegroups.com Subject: [neonixie-l] Captions please Captions please.John S



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Re: [neonixie-l] Captions please

[Instrument Resources of America]

I can't wait to get this lit upIra



On 3/19/2016 9:50 AM, Quixotic Nixotic wrote:

Captions please.


John S
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<>

Re: [neonixie-l] Captions please

[Dylan Distasio]

One bong to rule them all...

On Sat, Mar 19, 2016 at 12:50 PM, Quixotic Nixotic 
wrote:

> Captions please.
>
>
> John S
>
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[neonixie-l] Captions please

[Quixotic Nixotic]

Captions please.



John S

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[neonixie-l] Re: Used or NOS?

[Dalibor]

Hello,

I see a lot of confusion here, I will try to give some answers:

Getter:
Nixie tubes *do* use getters. The purpose of the getter is to absorb 
impurities from gas itself (never 100.00% pure), impurities evolved from 
the inner parts (never degassed 100%), in some cases small leaks in the 
glass to metal seals (wires through the glass) and in long term perspective 
also diffusion of gasses through the glass envelope itself. Getters *do 
not* react with inert gases (neon, argon etc.), and they absorb more than 
just oxygen..

Mirror:
The main difference is that nixie tubes as mercury doped tubes doesnt 
contain common barium based getters (well known "mirror") because the 
vapours of mercury would amalgamate with the barium rendering the getter 
saturated and also absorbing the mercury (= higher sputering rate). 
Instead, nixie tubes use non-evaporable getters in form of porous films or 
pellets.

New/old:
There is a process called "ageing" involved in manufacture of the nixie 
tubes. Every fresh tube must go to ageing to achieve uniform glow of all 
digits, this process is based on running the tubes under higher current to 
sputter out all oxides/residues from the cathodes and reveal fresh uniform 
metallic surface. The sputtered particles of residues and also metal are 
deposited on the internal elements and also glass envelope, so it might 
seem like used. Manufacturers used different techniques for ageing, so some 
tubes have higher sputter films (russians) some has almost nothing visible 
(NDR). Generally, every tube coming new from factory was run so much as it 
would get in many years ;-)

Alic's photos:
The mirror which is on the photos is very likely condensed mercury, there 
is often too much mercury inside old nixie tubes, so it makes those films. 
Try to put russian IN-12 into oven to 500C for an hour, you will see how 
much mercury will get released from the pill and sit on the glass.

Cheers!

Dalibor Farny

Dne pátek 11. března 2016 18:08:56 UTC+1 Alic napsal(a):
>
> Hello everyone,
>
> I've recently started to seriously collect nixies.
> As they become less available (and more expensive), the chances to get 
> used tubes sold as NOS increase.
>
> I've bought some "NOS" 122P224 off eBay and I'm pretty sure they're 
> actually used, because of the "silvering" on the side and below (see 
> photos).
>
> There are probably already a lot of posts on here explaining how to 
> identify used nixies (visually and by measuring).
> I've searched but without much success. Could someone please point me in 
> the right direction? I don't want to falsely accuse the eBay seller...
>
> Thanks.
>
> Alic
>
>
> 
>
>
> 
>

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Re: [neonixie-l] Re: VFD pen

[Nicholas Stock]

I'd have to disagree with you there I've used a few of the 'fat' pens and 
they're surprisingly comfortable to write with...but then again I do have 
larger hands than usual...

Trump may have difficulty then.:-)

Sent from my iPhone

> On Mar 16, 2016, at 09:11, Tidak Ada  wrote:
> 
> >1” dia! Seems me not a pleasure to write with. Useless for calligraphy….
>  
> eric
>  
> Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens 
> Nick
> Verzonden: woensdag 16 maart 2016 16:26
> Aan: neonixie-l
> Onderwerp: [neonixie-l] Re: VFD pen
>  
> Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s 
> remaining IV-21 VFD tubes."
>  
> Not mine, they didn't !
>  
> Nick
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Re: [neonixie-l] Used or NOS?

[Dekatron42]

I just had a look at the datasheet for the tube and it is shown as all 
voltage regulators are encased in one envelope, not four separate.

http://www.radiomuseum.org/tubes/tube_zz1030.html 
& http://frank.pocnet.net/sheets/128/z/ZZ1030.pdf

/Martin



On Wednesday, 16 March 2016 13:09:37 UTC+1, Dekatron42 wrote:
>
> As you say it looks like the tips are open, they certainly aren't melted 
> at the tip like the four separate ones.
>
> It would be interesting to see the result if the ZZ1030 was checked with a 
> plasma lamp, that would show if there is neon gas in the envelope or just 
> in each voltage regulator tube.
>
> /Martin
>
> On Wednesday, 16 March 2016 12:49:26 UTC+1, jrehwin wrote:
>>
>>
>> OK... so why a getter in this one?  All the little NEON tubes are each 
>> already sealed.
>>
>>
>> I don't think they're sealed.  I think their tips are open to the main 
>> enclosing envelope.
>>
>> - John
>>
>>
>>

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[neonixie-l] Re: Why were dekatrons still manufactured as recently as 1992 ?

[Jon]

On Friday, March 18, 2016 at 7:12:49 PM UTC, threeneurons wrote:

> For Soviet tubes, we see lots of nixies with 1992 date codes, so dekatrons 
> with like date codes are no surprise. As mentioned, if it was used in their 
> defense industry, then they probably would keep making the parts, until 
> that equipment was no longer in service. In any bureaucracy, that could be 
> a while. The Soviet Union collapsed ~August of 1991. Probably took a few 
> months to close down the factories.
>

Soviet dekatrons with such late date codes are not that common. I've been 
compiling quite a lot of data on this topic for the last several years, and 
the frequency distribution over about 500 tube sightings is such that about 
half have 1970s date codes, a quarter are from the 60s and only a few 
percent from the 90s. My sense is that late 1980s and early 1990s nixies 
are more common than this, perhaps indicating they were indeed more widely 
used for longer.

Jon.

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Re: [neonixie-l] Used or NOS?

[John Rehwinkel]

> 
> OK... so why a getter in this one?  All the little NEON tubes are each 
> already sealed.

I don't think they're sealed.  I think their tips are open to the main 
enclosing envelope.

- John


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[neonixie-l] Re: Used or NOS?

[A_Nonamus]

Many nixie types have a mercury "giver" of one sort or another. A few nixie 
types have a "getter" in addition to or instead of a giver. The getter is 
only intended to scavenge oxygen and similarly reactive impurities and has 
no effect (or a minor effect whose parameters are known and compensated 
for) on the gases intentionally included in the tube. Unlike those in used 
other electron tubes, the getters used in nixies generally did not produce 
a large patch of silver color on the envelope. Mercury generally does not 
darken or silver the surface of glass in a uniform manner, though 
occasionally nixies with mercury will have a little too much and some 
droplets can get stuck on the glass. Nixies without mercury or with very 
little mercury can have their glass and other structures slightly darkened 
or silvered by the "burning in" procedure that was run for several dozens 
of hours after they were made. Heavily darkened or silvered glass, to the 
extent that lit figures are noticeably dimmed or uneven, generally 
indicates a nixie that has been abused or is at or near end-of-life.

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Re: [neonixie-l] VFD pen

[David Forbes]

It may be an expensive pen, but it's a reasonable price for a machined 
product containing electronics. It's not easy to make these things.



On 3/16/16 8:15 AM, Dylan Distasio wrote:

Very cool, but holy $hite, that's an expensive pen!




--
David Forbes, Tucson AZ

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Re: [neonixie-l] Re: VFD pen

[Nicholas Stock]

Nice one.!

On Wed, Mar 16, 2016 at 1:10 PM, Tidak Ada  wrote:

> Trump may be able to do it with his mouth….. in relation to his hands much
> bigger J
>
>
>
> *Van:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] 
> *Namens
> *Nicholas Stock
> *Verzonden:* woensdag 16 maart 2016 17:31
> *Aan:* neonixie-l@googlegroups.com
> *Onderwerp:* Re: [neonixie-l] Re: VFD pen
>
>
>
> I'd have to disagree with you there I've used a few of the 'fat' pens
> and they're surprisingly comfortable to write with...but then again I do
> have larger hands than usual...
>
>
>
> Trump may have difficulty then.:-)
>
> Sent from my iPhone
>
>
> On Mar 16, 2016, at 09:11, Tidak Ada  wrote:
>
> >1” dia! Seems me not a pleasure to write with. Useless for calligraphy….
>
>
>
> eric
>
>
>
> *Van:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com
> ] *Namens *Nick
> *Verzonden:* woensdag 16 maart 2016 16:26
> *Aan:* neonixie-l
> *Onderwerp:* [neonixie-l] Re: VFD pen
>
>
>
> Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s
> remaining IV-21 VFD tubes."
>
>
>
> Not mine, they didn't !
>
>
>
> Nick
>
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[neonixie-l] OT: RPi 3 + Occulus Rift

[Nick]

Been playing with some of these, connecting them to an Oculus Rift for a 
robotics project...

Mean bits of kit - the Pi 3 is a wonderful card - USD 35, includes WiFi, 
BT, 4 x USB, Ethernet, HDMI, 64-bit, quad code 1.2GHz ARM 8 etc. etc. still 
only the size of a credit card and the same price as the Pi 2B+ though much 
more feature rich & a lot faster.Only downside (slight) is 1Gb RAM - more 
than enough for Linux.

Getting to really like it...

Nick

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RE: [neonixie-l] Re: VFD pen

[Tidak Ada]

>1” dia! Seems me not a pleasure to write with. Useless for calligraphy….

 

eric

 

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens 
Nick
Verzonden: woensdag 16 maart 2016 16:26
Aan: neonixie-l
Onderwerp: [neonixie-l] Re: VFD pen

 

Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s 
remaining IV-21 VFD tubes."

 

Not mine, they didn't !

 

Nick

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RE: [neonixie-l] Re: VFD pen

[Tidak Ada]

Trump may be able to do it with his mouth….. in relation to his hands much 
bigger J

 

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens 
Nicholas Stock
Verzonden: woensdag 16 maart 2016 17:31
Aan: neonixie-l@googlegroups.com
Onderwerp: Re: [neonixie-l] Re: VFD pen

 

I'd have to disagree with you there I've used a few of the 'fat' pens and 
they're surprisingly comfortable to write with...but then again I do have 
larger hands than usual...

 

Trump may have difficulty then.:-)

Sent from my iPhone


On Mar 16, 2016, at 09:11, Tidak Ada  wrote:

>1” dia! Seems me not a pleasure to write with. Useless for calligraphy….

 

eric

 

Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens 
Nick
Verzonden: woensdag 16 maart 2016 16:26
Aan: neonixie-l
Onderwerp: [neonixie-l] Re: VFD pen

 

Interesting! They say "Discontinued in 1990, Gelfman acquired the world’s 
remaining IV-21 VFD tubes."

 

Not mine, they didn't !

 

Nick

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Re: [neonixie-l] Used or NOS?

[JohnK]

Ah, but four sets of closely-spaced elements in one envelope? Would it work?  
That is why my first reaction was that they had locally walled off the 
individual pairs but had left them all in one main gas container. I WANTED it 
to be novel like that.

However, the tops are closed - note:- you can't see the walls of tubulation. 
You can see what looks like snip/scissor lines across solid glass.
I think all the bottoms are sealed.
I will attempt to locate my other example, maybe even ask for examples on TCA.


John K
Australia



- Original Message - 
  From: Dekatron42 
  To: neonixie-l 
  Sent: Wednesday, March 16, 2016 10:42 PM
  Subject: Re: [neonixie-l] Used or NOS?


  I just had a look at the datasheet for the tube and it is shown as all 
voltage regulators are encased in one envelope, not four separate.


  http://www.radiomuseum.org/tubes/tube_zz1030.html & 
http://frank.pocnet.net/sheets/128/z/ZZ1030.pdf


  /Martin




  On Wednesday, 16 March 2016 13:09:37 UTC+1, Dekatron42 wrote:
As you say it looks like the tips are open, they certainly aren't melted at 
the tip like the four separate ones.


It would be interesting to see the result if the ZZ1030 was checked with a 
plasma lamp, that would show if there is neon gas in the envelope or just in 
each voltage regulator tube.


/Martin

On Wednesday, 16 March 2016 12:49:26 UTC+1, jrehwin wrote:


OK... so why a getter in this one?  All the little NEON tubes are each 
already sealed.


  I don't think they're sealed.  I think their tips are open to the main 
enclosing envelope.


  - John





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