Re: [neonixie-l] VFD filament drive

[Hannah Mishin]

Theres a section on filament driving in my blog here:
https://hannahmishin.com/blog/2017/4/30/russian-tri-color-vfd-indicator-clock

*Hannah Mishin*
*  She/her/hers*
<http://hannahmishin.com/>

*hannahmishin.com* <http://hannahmishin.com/>



On Fri, Aug 20, 2021 at 1:48 PM Toby Thain  wrote:

> On 2021-08-20 12:58 p.m., Paul Andrews wrote:
> > I'm designing a clock for DT-1704 tubes and am stumbling at the filament
> > drive stage. They want 1.6V. I want to power it from 5VDC. ...
> >
>
> FWIW I've used LM2575 1A adjustable step down for DC filament voltages
> in that range.
>
> --Toby
>
>
> > ...
> >
> > So I would appreciate any suggestions for what direction I should take
> > here. I have too many options and no clear criteria.
> >
> > --
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Re: [neonixie-l] red lens filter material.

[Hannah Mishin]

if u are looking for filters consider photo filters - along the lines of this:

https://www.adorama.com/le026s.html?gclid=EAIaIQobChMIj6uXyoTY6wIVqwiICR1SzwZsEAQYAiABEgKCcPD_BwE_source=adl-gbase

Sent from my finger computer 


> On Sep 7, 2020, at 5:23 PM, Nicholas Stock  wrote:
> 
> 
> Hi Ira, 
> 
> I buy acrylic from estreetplastics, or if I need something a little bit more 
> exotic, inventables.com. For the filter material, I'm presuming you'd want 
> something 1/16 thick or thereabouts? Alas, after a quick googling, I can't 
> find red cast acrylic under 1/8 thick
> 
>> On Mon, Sep 7, 2020 at 2:05 PM Instrument Resources of America 
>>  wrote:
>> Hi all,
>> 
>>  I am in need of a small piece of the 'red lens filter material' 
>> that was quite often placed in front of Nixie tubes in test equipment. 
>> Does anyone know if it is still available, and from where in small 
>> quantities??  I need a piece about 2" X 7" Thanks,  Ira.
>> 
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Re: [neonixie-l] Tube Data

[Hannah Mishin]

I have a badass office printer/scanner that auto feeds paper and if bound,
I can cut the binding and autofeed easily reams and reams.
Happy to help out.  DM me if you want assistance.
http://hannahmishin.com/


On Thu, Aug 27, 2020 at 9:03 PM Dave ZL3FJ <2c...@silverbears.nz> wrote:

> Some time back (3-4 years?) I promised I was going to scan some nixie and
> dekatron etc data sheets etc I have here and make them available.  The
> queue
> for the scanner is still rather long - so-  this time I'm going to ask if
> anyone would like this data for the cost of postage(I'm in New Zealand) to
> scan and make it available to others (assuming it is not readily available
> already).
>
>  There's about 14 pages in the yellow booklet, maybe 50 in the green (ITT)
> one and the loose leaf folder from Ericsson has about 150-200 pages.
>  Dave Brown
>  Christchurch, NZ
>
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Re: [neonixie-l] That's one expensive clock....

[Hannah Mishin]

Thanks Kevin, I appreciate the insight.  I don't sell things, but have
friends abroad.
:)
I am also generally curious (for instance learning that in Germany,
acquiring a Motorcycle License is prohibitively expensive).

Thanks again!
http://hannahmishin.com/


On Mon, Jul 20, 2020 at 11:32 PM Kevin A. 
wrote:

> FCC compliance is usually with regards to systems which contain a radio.
> The broadcast band and output power of the device's radio(s) are the
> primary factors the FCC will scrutinize. Of course, if your device
> generates a ton of EMC that could also cause it to fail compliance testing.
>
> I believe the "conformity laws" referred to here have more to do with
> general safety testing for consumer electronics. That would be more
> analogous to UL or CE certifications which are focused around safety
> considerations like electric shock, flammability, general EMC/EMI.
>
> Usually (and I use "usually" very loosely) selling kits is a legal
> workaround since the end user is assuming responsibility by assembling the
> device properly. Don't quote me on that in court though. If you need to be
> sure then ask an attorney.
>
>
> On Sun, Jul 19, 2020, 6:18 PM Hannah Mishin 
> wrote:
>
>> quick question on european fines for selling electronics-> what?! is this
>> similar to FCC compliance in the states? what if you dont sell them in
>> europe (i.e. free) do these restrictions apply to the entire EU?
>> this more of a curiosity rather than applicable to me.
>>
>> Sent from my finger computer
>>
>>
>> > On Jul 19, 2020, at 5:03 PM, Nicholas Stock 
>> wrote:
>> >
>> > Understood Jonathanbut 100 of them (if they sell them all) at
>> 8000 Euro each is a non-trivial amount of money :)
>> >
>> > Sent from my iPhone
>> >
>> >> On Jul 19, 2020, at 13:50, SWISSNIXIE - Jonathan F. <
>> jfrech...@gmail.com> wrote:
>> >>
>> >> Its expensive yes, but since they are trying to sell this to the
>> general public, and are genuine company, i guess they will follow
>> conformity laws for switzerland and europe, which leads to atleast 20'000 $
>> just for all the paperwork and emc/esd/safety lab tests! Also they need to
>> provide warranty too. Sure after all i guess they do this to pay workers,
>> and not just for fun...
>> >>
>> >> If always wanted to sell a nixie kit, but it would kinda be risky when
>> not doing the legal paperwork, in case something happens or you get
>> reported it can be result im huge fines.
>> >>
>> >> --
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Re: [neonixie-l] That's one expensive clock....

[Hannah Mishin]

quick question on european fines for selling electronics-> what?! is this 
similar to FCC compliance in the states? what if you dont sell them in europe 
(i.e. free) do these restrictions apply to the entire EU?
this more of a curiosity rather than applicable to me. 

Sent from my finger computer 


> On Jul 19, 2020, at 5:03 PM, Nicholas Stock  wrote:
> 
> Understood Jonathanbut 100 of them (if they sell them all) at 8000 
> Euro each is a non-trivial amount of money :)
> 
> Sent from my iPhone
> 
>> On Jul 19, 2020, at 13:50, SWISSNIXIE - Jonathan F.  
>> wrote:
>> 
>> Its expensive yes, but since they are trying to sell this to the general 
>> public, and are genuine company, i guess they will follow conformity laws 
>> for switzerland and europe, which leads to atleast 20'000 $ just for all the 
>> paperwork and emc/esd/safety lab tests! Also they need to provide warranty 
>> too. Sure after all i guess they do this to pay workers, and not just for 
>> fun...
>> 
>> If always wanted to sell a nixie kit, but it would kinda be risky when not 
>> doing the legal paperwork, in case something happens or you get reported it 
>> can be result im huge fines.
>> 
>> -- 
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> 
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Re: [neonixie-l] Re: VFD filament resistance when hot/cold?

[Hannah Mishin]

You must be careful with the filament.  The filament will accept whatever
current you give it.  Overtime, constant voltage source on the filament is
problematic.  As such - for sure- drive the filament with an AC wave
There is lots of corollary info on this blog regarding the filament.
https://hannahmishin.com/blog/2017/4/30/russian-tri-color-vfd-indicator-clock
I accidentally drove some Itron VFD - overdrove the filament and ult.
killed the VFDs.
I am controlling the brightness of my current vfd clock by modulating the
filament current. meaning if you underdrive it - it will be dim, if you use
the circuitry linked in the blogpost, you really will find it hard to
overdrive it.
also ->
http://www.noritake-itron.com/subpages/applicnotese/vfdoperapn.htm

http://hannahmishin.com/


On Fri, Jul 17, 2020 at 4:24 AM Jasper C.  wrote:

>
>
> On Friday, 17 July 2020 01:56:47 UTC+8, Paul Andrews wrote:
>>
>> What power supply are you using? I seem to collect power supply design
>> almost as much as Nixie tubes.
>>
>>
>
> I'm planning to use an LM9022 based supply.  Yes, it's out of production,
> but apparently it's the same as an LM4871.
>
> And yes, it's overkill for a single IV-17, but I plan to start here, then
> get one of those multi-digit tubes to play with.  Having one PSU design
> will cut down on the work.
>
> Thanks for all the replies.  I'd never thought about managing inrush
> current and burnout.  I'm not sure it's possible to do with the LM9022, or
> at least not with my level of analog know how.  But it occurs to me that
> the Vsupply for that chip is 2.0 to 5.5 V.  I could use a
> resistor-divider-set LDO to supply the LM9022, and use a digital pot +
> small uC to do a "soft-start" by starting at a low voltage then ramping
> up.  As a bonus, since I plan to have a uC in the clock anyway, I can tie
> the digital pot to that in my final design...
>
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> .
>

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Re: [neonixie-l] Digital Readout Course Book

[Hannah Mishin]

Thank you!
http://hannahmishin.com/


On Sun, Jun 30, 2019 at 6:42 AM 'Grahame' via neonixie-l <
neonixie-l@googlegroups.com> wrote:

> Another book scanned by Martin Forsberg.
>
> *In the beginning there was the Nixie and Burroughs made it. Today,
> readouts permute endlessly by technology, size, color, form factor, font,
> vendor, and price, with no end in sight. *
>
> *This course directs itself toward the engineer who uses, and will use,
> displays, and how he can choose from and implement the myriad options. Each
> display technology will be explained, but most of the course will be
> concerned with applications and various factors of design significance, not
> processing significance. *
>
> *The scope of the course is flexible format digital readouts. The
> indicator that tells you that the engine is overheated in your car is a
> dedicated digital readout; since it is dedicated, it won't tell you when
> the oil pressure is low. On the other hand, an ex-ample of a flexible
> format readout is the message board in Times Square. You know that you can
> only observe a few symbols, but the sequence and message possibilities
> approach infinity including "your oil pressure is low!"*
>
> 95MB download from
>
>
> https://www.dropbox.com/s/3uogrg55tsfvgp0/Digital_Readout_Course_book.pdf?dl=0
>
> Grahame
>
>
>
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Re: [neonixie-l] Re: Burroughs logo/letterhead scan needed

[Hannah Mishin]

(though I admit the cleaned up is imperfect - quick job.  if you end up
running dry on other fronts I can spend more time re-creating).
good luck
http://hannahmishin.com/


On Mon, Jun 3, 2019 at 9:44 PM Hannah Mishin 
wrote:

> I took the scan and vectorized the graphic.
> The less than good looking vectors are direct translation
> The image to the right is a cleaned up version.
> I can split them if you don't have the software. just let me know.
>
> http://hannahmishin.com/
>
>
> On Mon, Jun 3, 2019 at 9:39 PM Richard Arndt  wrote:
>
>> My father worked for Burroughs sales/marketing dept in the 60s and I have
>> old marketing brochures from that time.  If you have not found what you are
>> looking for from the other fellas, let me know and I will rummage through
>> to see what I can find.
>>
>> On Monday, June 3, 2019 at 4:44:51 PM UTC-4, Terry Bowman wrote:
>>>
>>> I'm still toying around with a logo for the theoretical NixieBase
>>> project. I need a really good hi-res scan of the words
>>> "Burroughs Corporation"  as used in their documentation and packaging so I
>>> can trace the capital letter "B". I'd like to have the "B in a circle" logo
>>> as well.
>>>
>>> Scan parameters:
>>>
>>> 1200dpi or higher
>>> 8 bit gray (256 grays), not color
>>> Saved to a *lossless* filetype such as TIFF, not a lossy filetype such
>>> as JPEG.
>>>
>>>
>>> TIA.
>>>
>>> Terry Bowman, KA4HJH
>>> "The Mac Doctor"
>>>
>>> "For 30 years I have been trying to set the story straight about the
>>> name HAL coming from IBM with one letter added to each. That was
>>> pure coincidence. HAL stands for Heuristic Algorithmic computer."—Arthur C.
>>> Clarke, 2001
>>>
>>>
>>>
>>>
>>> --
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Re: [neonixie-l] Re: Burroughs logo/letterhead scan needed

[Hannah Mishin]

I took the scan and vectorized the graphic.
The less than good looking vectors are direct translation
The image to the right is a cleaned up version.
I can split them if you don't have the software. just let me know.

http://hannahmishin.com/


On Mon, Jun 3, 2019 at 9:39 PM Richard Arndt  wrote:

> My father worked for Burroughs sales/marketing dept in the 60s and I have
> old marketing brochures from that time.  If you have not found what you are
> looking for from the other fellas, let me know and I will rummage through
> to see what I can find.
>
> On Monday, June 3, 2019 at 4:44:51 PM UTC-4, Terry Bowman wrote:
>>
>> I'm still toying around with a logo for the theoretical NixieBase
>> project. I need a really good hi-res scan of the words
>> "Burroughs Corporation"  as used in their documentation and packaging so I
>> can trace the capital letter "B". I'd like to have the "B in a circle" logo
>> as well.
>>
>> Scan parameters:
>>
>> 1200dpi or higher
>> 8 bit gray (256 grays), not color
>> Saved to a *lossless* filetype such as TIFF, not a lossy filetype such
>> as JPEG.
>>
>>
>> TIA.
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor"
>>
>> "For 30 years I have been trying to set the story straight about the name
>> HAL coming from IBM with one letter added to each. That was
>> pure coincidence. HAL stands for Heuristic Algorithmic computer."—Arthur C.
>> Clarke, 2001
>>
>>
>>
>>
>> --
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BouroughsShield.png.pdf
Description: Adobe PDF document

Re: [neonixie-l] Made some headway on two projects...

[Hannah Mishin]

Hi Bill-
Wowza- Awesome!
Machine Shop is my specialty.
I hate to be redundant, but in sourcing any screw that may be niche or
otherwise difficult to source, have you tried looking at
https://www.mcmaster.com/
Their search is pretty incredible - try this:
https://www.mcmaster.com/machine-screws
They also carry a ton of stock in various styles, alloys and configs.
Any machining/material/enclosure stuff- let me know always happy to help.
H
http://hannahmishin.com/


On Mon, May 13, 2019 at 10:32 PM Bill Notfaded  wrote:

> I've been working a big B-7971 array and numitron clock.  I'm a computer
> scientist but the EE stuff isn't first nature quite yet...  Here's a couple
> videos of my recent experiments:
>
> https://youtu.be/LzOKLMmQZDM
> https://youtu.be/TbwpUXnU_Eg
>
>
> I found a place that sells aluminum bar stock that would make a nice base
> for the B-7971 array.  It's 3/8" x 4" x 36".  I've been looking to tap the
> aluminum with M2.5 threads for the standoffs.  I've got screws for the top
> of standoffs on the PCB now but would like to find some nicer hex screws.
> Originally I thought maybe someone made base material with a grid of female
> threads in it but haven't found anything like that... It's how I started
> learning the tool and die.
>
> Bill
>
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[neonixie-l] Re: Russian characters - help needed

[Hannah Mishin]

Hey Jens -
Reply to this thread if you still have queries or need help with 
translating.  I read and write some Russian and have native speaking 
friends.

but
Y may be *ч  *Sounds like *"che"*
x is for sure a letter and sounds like a hard *"H" said in the back of the 
throat*.
z may be this char з or this char э



On Saturday, December 8, 2018 at 7:50:29 PM UTC-5, Jens Boos wrote:
>
> Hello Nixie friends,
>
> I have a few of the IN-5A-1 and IN-5B-1 Nixie tubes here (made by 
> Gazotron), and I do not really know the names of the characters they 
> display.
>
>- IN-5A-1: Z, X, and curly X, see http://www.ebay.com/itm/222691929677 
>
> 
>  
>- IN-5B-1: S, Y, and curly Y, see http://www.ebay.com/itm/382261031325 
>
> 
>  
>
> Does anybody know the names of the characters they display? There are two 
> versions of X as well as two versions of Y, and I could not identify them 
> with Cyrillic letters. Also, does anybody know what the IN-5A-1 and IN-5B-1 
> were made for?
>
> Thanks for your help!
>
> Best wishes
> Jens
>

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Re: [neonixie-l] Re: Welcome & please introduce yourself!

[Hannah Mishin]

Thanks!  

On Friday, April 19, 2019 at 1:46:30 PM UTC-4, Jens Boos wrote:
>
> Welcome! This article is gold, thanks for writing it up! Jens
>
> On 2019-04-19 5:42 a.m., Hannah Mishin wrote:
>
> Hello! 
> I'm Hannah and I am in NYC.  I am really interested in old technologies as 
> they correlate to modern ideas.
> I am currently working on a VFD build (no Nixie specific experience) and 
> playing with a flying spot scanner!
> Here is a blog on my VFD project.  
> https://hannahmishin.com/blog/2017/4/30/russian-tri-color-vfd-indicator-clock
> I am an Open Source Hardware supporter and believe in the sharing of 
> knowledge (its how I know so much of what I do).
> Cheers!
>
> On Sunday, April 7, 2019 at 8:07:28 PM UTC-4, Mahdi Al Husseini wrote: 
>>
>> Hi, there,
>>
>> I'm Al, from the States. I've been lurking around here for a few months, 
>> but thought to introduce myself. I'm certainly no electrical engineer, but 
>> I fell in love early with vacuum tubes of all shapes and sizes. I've messed 
>> with Nixies, Boroughs, Magic Eyes, Dekatrons, the list goes on. I started 
>> out buying and assembling a few of Pete's kits, then slowly began building 
>> my own clocks, calculators, and radios from the PCB up, mostly using 
>> Dalibor's tubes. It's been a real great journey so far, and i've got a long 
>> way to go. It's great to be here
>>
>> mahdialhusseini.com
>>
>> On Thu, Apr 4, 2019 at 11:25 AM Richard Scales  
>> wrote:
>>
>>> Greetings all,  
>>>
>>> I have been an addict for over two years now. I started in electronics 
>>> in 1980 then moved to software, Mostly Z80 Assembler and 6502 (as a hobby). 
>>> I spent the rest of my career in supporting laser printers until I became 
>>> self employed in 1997. In recent years I discovered Arduino and combined 
>>> that with my hobbyist interest in electronics. When looking for something 
>>> else (and I cannot remember what) I discovered Nixie Tubes and am now 
>>> totally addicted.
>>> I started with a PV QTC Kit and have built several more since as well as 
>>> Spectrum 1040, 1080 and 568, Elite, DINK, Quattro, Halo and  FunKlock I 
>>> have also built kits from Ian Sparkes and Paul Andrews and I also have a 
>>> few Paul Andrews Single Tube clocks, Now I have started my own tube 
>>> collection. I am the proud owner of a MOD-6 and have some spare tubes and a 
>>> stack of 'Smart Sockets' that I will be putting together at some point.
>>> Along the way I have learnt to use KiCad, EeasyEDA, Solid Edge 2019 and  
>>> CNC Routers (handy for case designs).
>>> I have also been lucky to meet many talented and helpful individuals in 
>>> several corners of the globe that have helped me with my stupid questions 
>>> and ideas and have helped bring my ideas to life.
>>> I am of course running out of organs to sell. The recent post regarding 
>>> the sale of two B-7971's for over $500 is staggering, especially when I 
>>> hear the tales of those who purchased them for around $7 a pair back in the 
>>> day.
>>> In the UK, as a youngster I used to purchase Practical Wireless magazine 
>>> before moving on to Electronics Today International and it was a PW project 
>>> that was my first ever clock build - it was a 4 x 7 segment LED clock based 
>>> on the AY-5-1224 clock IC. I don't remember seeing any adds for Nixie Tubes 
>>> at that time, but, if I knew then what I know now!
>>>
>>>
>>> On Wednesday, 19 September 2018 16:03:23 UTC+1, neonixie-l wrote: 
>>>>
>>>> Ladies & Gentlemen,,, 
>>>>
>>>> We are getting a steady stream of new members - it'd be great if, 
>>>> instead of just lurking, you could introduce yourselves with a bit of 
>>>> detail about your interests, what you've built or intend to build/dream of 
>>>> building. Even what gets you up the morning and makes you smile!
>>>>
>>>> Even existing members (there are over 1,000) could chip in - there's 
>>>> some great stuff around...
>>>>
>>>> Welcome, one and all to this great community!
>>>>
>>>> Nick
>>>>
>>>>
>>>> -- 
>>> 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 neoni...@googlegroups.com.
>>> To post to this group, send email to neoni...@googlegroups.com.
&

[neonixie-l] IEEE Article on Nixies

[Hannah Mishin]

https://spectrum.ieee.org/tech-history/dawn-of-electronics/the-nixie-tube-story-the-neon-display-tech-that-engineers-cant-quit

I'm sure this has already made the rounds.  But - for posterity.
:)
Video is Rad!

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[neonixie-l] Re: Vacuum fluorescent clock design/kits available!

[Hannah Mishin]

NICE!

On Wednesday, March 27, 2019 at 9:31:48 AM UTC-4, David Pye wrote:
>
> Hi all,
>
> I've been working on a design for a clock based on the IV-11 russian VFD 
> tube for some time, and have finally finished the design.
>
> The whole thing (firmware/design) is open source, so it's ideal for a 
> project, and for something for people who like to also fine-tune their 
> clocks.
>
> The firmware/build instructions/KiCAD design is on my github account: 
>
> https://github.com/davidmpye/VFD/wiki/Assembly-instructions
>
> In terms of features:
>
>- Either 6 tubes (as a conventional HH MM SS clock), or you can put 
>all 8 in, and use it to display hexadecimal things, such as the time in 
>UNIX Epoch mode (amusing, but not terribly practical!)
>- Each tube has a smart RGB led for bottom-lighting (as they're 
>'smart', each can be a different colour, so there's a nice rainbow effect 
>etc as well as several other lighting modes based on colour)
>- PWM dimming of tube brightness for night time
>- Laser cut 3mm ply case 
>- Microcontroller supports WiFi, so can join your network and get time 
>from NTP, or display messages you send to it (given the limits of 
> 7-segment 
>displays, no M or W etc)
>- Battery backed real time clock
>- Four buttons on the back to allow setting of time/LED mode etc.
>- Open source hardware and software
>
>
> If anyone would like a kit, I can supply all the parts (inc tubes and 
> case) - for sale via Ebay or Tindie as you prefer:
>
>
> https://www.ebay.co.uk/itm/Vacuum-Fluorescent-Display-Clock-Kit-IV11/153430459900
>
>
> https://www.tindie.com/products/davidmpye/iv-11-vacuum-fluorescent-display-clock-kitwifi/
>
>
> If anyone decides to build one (either as a kit, or off your own back 
> etc), I'd very much appreciate comments and feedback.
>
> Kind Regards,
>
> David
>
> [image: finished_clock.jpg]
>
>

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Re: [neonixie-l] Re: Welcome & please introduce yourself!

[Hannah Mishin]

Hello!
I'm Hannah and I am in NYC.  I am really interested in old technologies as 
they correlate to modern ideas.
I am currently working on a VFD build (no Nixie specific experience) and 
playing with a flying spot scanner!
Here is a blog on my VFD project.  
https://hannahmishin.com/blog/2017/4/30/russian-tri-color-vfd-indicator-clock
I am an Open Source Hardware supporter and believe in the sharing of 
knowledge (its how I know so much of what I do).
Cheers!

On Sunday, April 7, 2019 at 8:07:28 PM UTC-4, Mahdi Al Husseini wrote:
>
> Hi, there,
>
> I'm Al, from the States. I've been lurking around here for a few months, 
> but thought to introduce myself. I'm certainly no electrical engineer, but 
> I fell in love early with vacuum tubes of all shapes and sizes. I've messed 
> with Nixies, Boroughs, Magic Eyes, Dekatrons, the list goes on. I started 
> out buying and assembling a few of Pete's kits, then slowly began building 
> my own clocks, calculators, and radios from the PCB up, mostly using 
> Dalibor's tubes. It's been a real great journey so far, and i've got a long 
> way to go. It's great to be here
>
> mahdialhusseini.com
>
> On Thu, Apr 4, 2019 at 11:25 AM Richard Scales  > wrote:
>
>> Greetings all, 
>>
>> I have been an addict for over two years now. I started in electronics in 
>> 1980 then moved to software, Mostly Z80 Assembler and 6502 (as a hobby). I 
>> spent the rest of my career in supporting laser printers until I became 
>> self employed in 1997. In recent years I discovered Arduino and combined 
>> that with my hobbyist interest in electronics. When looking for something 
>> else (and I cannot remember what) I discovered Nixie Tubes and am now 
>> totally addicted.
>> I started with a PV QTC Kit and have built several more since as well as 
>> Spectrum 1040, 1080 and 568, Elite, DINK, Quattro, Halo and  FunKlock I 
>> have also built kits from Ian Sparkes and Paul Andrews and I also have a 
>> few Paul Andrews Single Tube clocks, Now I have started my own tube 
>> collection. I am the proud owner of a MOD-6 and have some spare tubes and a 
>> stack of 'Smart Sockets' that I will be putting together at some point.
>> Along the way I have learnt to use KiCad, EeasyEDA, Solid Edge 2019 and  
>> CNC Routers (handy for case designs).
>> I have also been lucky to meet many talented and helpful individuals in 
>> several corners of the globe that have helped me with my stupid questions 
>> and ideas and have helped bring my ideas to life.
>> I am of course running out of organs to sell. The recent post regarding 
>> the sale of two B-7971's for over $500 is staggering, especially when I 
>> hear the tales of those who purchased them for around $7 a pair back in the 
>> day.
>> In the UK, as a youngster I used to purchase Practical Wireless magazine 
>> before moving on to Electronics Today International and it was a PW project 
>> that was my first ever clock build - it was a 4 x 7 segment LED clock based 
>> on the AY-5-1224 clock IC. I don't remember seeing any adds for Nixie Tubes 
>> at that time, but, if I knew then what I know now!
>>
>>
>> On Wednesday, 19 September 2018 16:03:23 UTC+1, neonixie-l wrote:
>>>
>>> Ladies & Gentlemen,,,
>>>
>>> We are getting a steady stream of new members - it'd be great if, 
>>> instead of just lurking, you could introduce yourselves with a bit of 
>>> detail about your interests, what you've built or intend to build/dream of 
>>> building. Even what gets you up the morning and makes you smile!
>>>
>>> Even existing members (there are over 1,000) could chip in - there's 
>>> some great stuff around...
>>>
>>> Welcome, one and all to this great community!
>>>
>>> Nick
>>>
>>>
>>> -- 
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>> "neonixie-l" group.
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>> email to neoni...@googlegroups.com .
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>> .
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>> https://groups.google.com/d/msgid/neonixie-l/1567e684-16b7-4103-a4f7-2952c26f985f%40googlegroups.com
>>  
>> 
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>

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Re: [neonixie-l] Obscure Cyrillic characters

[Hannah Mishin]

If you want help translating copy the letters on your tubes/datasheet 
here:  http://russian.typeit.org/
and then copy and paste into google translate.
if something in the auto translate is strange... I may be able to help 

On Thursday, April 18, 2019 at 10:03:11 PM UTC-4, David Speck wrote:
>
> Terry,
>
> For starters, it is the first letter of "час", which means" hour".
>
> Perhaps from some sort of timer or countdown display.
>
> Dave
> On 4/18/2019 7:18 PM, Mac Doktor wrote:
>
> As some of you already know some of the old Soviet-era Nixies have symbols 
> that are unfamiliar to those who use the Latin alphabet. For example, the 
> IN-5B has the capital letter "che":
> https://en.wikipedia.org/wiki/Che_(Cyrillic)
>
>
> Does anyone know what this symbol stands for? How it was used? I Googled it 
> but couldn't find a technical or scientific application.
>
>
> I can't remember if this list allows emails to be in rich text format. I'll 
> test it by putting the character here: Ч
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
>
>

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