Master list of oddball symbols?

219 views
Skip to first unread message

Mac Doktor

unread,
Jan 14, 2020, 4:15:16 PM1/14/20
to neonixie-l
My apologies for the rambling nature of this clumsy post but my brain isn't as good as it was in 12th grade English class anymore...


While we're all waiting for someone to kickstart the NixieBase project there's something simpler that I'd like to see—a detailed list of all of the "oddball" characters in Nixie symbol tubes. That is, what they indicate and what devices they were actually used in. In the case of the Soviet Nixies there are a few with Cyrillic letters. It would be nice to know what letters they are and what technical terms they stood for (such as the Russian word for "overload"). We've discussed this a couple of times before (one was an IN-5 variant, IIRC) but what we really need is a complete list of everything. Such a list would probably never actually be complete but we should start compiling one.

As an example, I have a B-54360 which is a dual column, side-by-side Nixie tube. One column has "A, C, D, R, V" so obviously this tube was designed for a specific application other than a counter or a meter. Unfortunately, I don't know what the characters in the other column are. I've searched and no one seems to have one in their collection. I guess I'll have to put my Pro Nixie Tester together and light them all up.

Then there is the famous "spiral" in tubes like the ITT58GSST. That one has the symbols "+, −, ~, (spiral)" so obviously it was a prefix tube for a voltmeter and/or ammeter but what does the spiral indicate? I've been told that it was "overload" which seems logical enough. A friend of mine says that he saw the spiral used in something like a gas chromatograph to indicate that the oven was still warming up so who knows? Perhaps it was used for multiple applications.

BTW, has anyone ever actually seen an IN-5A or IN-5B? (no "-1" after the letter). According to the Franzman "database" they both had five Cyrillic letters with only one in common. The dash-one tubes (IN-5A-1 and IN-5B-1) are commonplace but are both missing two letters. And the IN-5x tubes appear to have no companion numeric tube unlike he IN-7x, IN-15x, and In-19x.

Please correct me if I have any of this wrong.


Terry Bowman, KA4HJH
"The Mac Doctor"


“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


Tomasz Kowalczyk

unread,
Jan 15, 2020, 4:47:16 AM1/15/20
to neonixie-l


W dniu wtorek, 14 stycznia 2020 22:15:16 UTC+1 użytkownik Terry Bowman napisał:

Then there is the famous "spiral" in tubes like the ITT58GSST. That one has the symbols "+, −, ~, (spiral)" so obviously it was a prefix tube for a voltmeter and/or ammeter but what does the spiral indicate? I've been told that it was "overload" which seems logical enough. A friend of mine says that he saw the spiral used in something like a gas chromatograph to indicate that the oven was still warming up so who knows? Perhaps it was used for multiple applications.




From what I've read, the spiral symbol could be used also as an indicator that the measurement is not complete - for example, for long sampling periods of voltage measurements. It's pretty much the same as hourglass next to the mouse icon on Windows PC - indicates, that work is going on.
I've removed some ZM1263s from boards, which looked like they used in some measurement device. Unfortunately, I didn't receive any info about what kind of devices were they - only the nixie PCBs with ZM1263s and ZM1175/ZM1177s. So they definitely were used in commercial devices, but their purpose still remain a mystery.

When it comes to uncommon symbols - there is a line of Polish Dolam nixies with almost whole alphabet. Strangely, some letters can be found in more than one tube, and some aren't present in any. Symbols are LL-551 up to LL-558. No other company produced as many nixies that could be used to display static text.

Bill Notfaded

unread,
Jan 17, 2020, 4:03:21 PM1/17/20
to neonixie-l

IMG_20190902_103100.jpg


I looked for them for years Terry before I finally found some!


Bill

Nicholas Stock

unread,
Jan 17, 2020, 4:24:06 PM1/17/20
to neoni...@googlegroups.com
I got plenty of these for sale if anyone needs one....:)

Nick

Sent from my iPhone

On Jan 17, 2020, at 13:03, Bill Notfaded <notf...@gmail.com> wrote:



<IMG_20190902_103100.jpg>


I looked for them for years Terry before I finally found some!


Bill

--
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.
To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/767a99ee-16f8-4be7-b96c-3bd115683de2%40googlegroups.com.
<IMG_20190902_103100.jpg>

Mac Doktor

unread,
Jan 17, 2020, 5:15:38 PM1/17/20
to neoni...@googlegroups.com

On Jan 17, 2020, at 4:24 PM, Nicholas Stock <nick...@gmail.com> wrote:

I got plenty of these for sale if anyone needs one....:)

Yes, and I have one of them (ITT58GSST). 8D

Bill Notfaded

unread,
Jan 17, 2020, 6:00:24 PM1/17/20
to neonixie-l
I can't wait for the dekatron clock!  Really think it's going to be unique Nick.

B

You received this message because you are subscribed to a topic in the Google Groups "neonixie-l" group.
To unsubscribe from this topic, visit https://groups.google.com/d/topic/neonixie-l/3Bp9vaTK9cg/unsubscribe.
To unsubscribe from this group and all its topics, send an email to neonixie-l+...@googlegroups.com.
To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/AD0CF7EE-9539-40B4-9CE3-6059EFD67D55%40gmail.com.

Tyler Bourne

unread,
Jan 20, 2020, 2:24:09 PM1/20/20
to neonixie-l
There is the Dolam LL-561, with +, -, and a triangle.


Dieter Waechter

unread,
Jan 20, 2020, 2:41:58 PM1/20/20
to neonixie-l
HI,
This is right, but note that the RFT Bulletin tells "+, -, ~".
Especially at the LL- and LC-tubes there were different symbols and also pinouts with the same type number.
 
This is all I know at the moment:
 
Type Sort Brand(s)  Base Displayed symbols
LC-1 NIX-E PIE B13B 0-9
LC-2 NIX-E Unitra Dolam (Poland) B13B numerals
LC-7 NIX-S Unitra Dolam (Poland) B13D 0-9, PL, PR
LC-511 NIX-E Unitra Dolam (Poland) B13B 0-9, dot (middle left)
LC-511F NIX-E   B13B numerals
LC-513 NIX-E Unitra Dolam (Poland) B13B 0-9, PL
LC-513A NIX-E Unitra Dolam (Poland) B13B 0-9
LC-516 NIX-E Unitra Dolam (Poland) U11 0-9
LC-531 NIX-S Unitra Dolam (Poland) B13D 0-9, PL, PR
LC-531F NIX-S Unitra Dolam (Poland) B13D 0-9, PL, PR
LC-541 NIX-S   B9A 0-9
LC-541F NIX-S   B9A 0-9
LC-631 (Version 01) NIX-S Unitra Dolam (Poland) B13B 0-9
LC-631 (Version 02) NIX-S Unitra Dolam (Poland) B13B 0-9
LC-631F NIX-S Unitra Dolam (Poland) B13B 0-9
LL-1 NIX-E   B13B symbols
LL-551 NIX-E Unitra Dolam (Poland) B13B A, V, Ω, +, -, ~, %
LL-551F NIX-E Unitra Dolam (Poland) B13B A, V, Ω, +, -, ~, %
LL-552 NIX-E Unitra Dolam (Poland) B13B m, M, p, μ, k, n
LL-553 NIX-E Unitra Dolam (Poland) B13B F, H, Hz, S, W, z
LL-555 NIX-E Unitra Dolam (Poland) B13B Ł, C, T, R, Y, N, B
LL-556 NIX-E Unitra Dolam (Poland) B13B G, M, P, S, U, Δ
LL-557 NIX-E Unitra Dolam (Poland) B13B E, J, A, V, F, H
LL-558 NIX-E Unitra Dolam (Poland) B13B D, L, K, W, X, Z, φ
LL-558B NIX-E Unitra Dolam (Poland) B13B symbols
LL-561 NIX-S(I) Unitra Dolam (Poland) B13D +, -, Δ or +, -, ~
LL-661 NIX-E Unitra Dolam (Poland) B13B +, -, ~
LL-661F NIX-E   B13B +, -, ~
 
Additions welcome. Pictures welcome. Datasheets welcome. All data missing in the chart very welcome.
Offers for all welcome, too!
Best regards
Dieter
 

Aleksander Zawada

unread,
Jan 20, 2020, 3:53:14 PM1/20/20
to neoni...@googlegroups.com, Dieter Waechter
--
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.

Dieter Waechter

unread,
Jan 20, 2020, 4:47:37 PM1/20/20
to neoni...@googlegroups.com
Thank you Aleksander for the additions.
Do you know where that page is:
Best regards
Dieter
 

Dieter Waechter

unread,
Jan 20, 2020, 11:38:34 PM1/20/20
to Neonixies
Thank you Aleksander,
I thought this might be a second data page.
Update of the List:
 
Type Sort Brand(s)  Base & Pinout Displayed symbols
LC-1 NIX-E PIE B13B 0-9, upper dot, lower dot
LC-2 NIX-E PIE, Unitra Dolam (Poland) B13B 0-9, upper dot, PR
LL-1 NIX-E PIE B13B A, V, Ω, +, -, %, k, m, µ, p, F, H, M, W
Sent: Monday, January 20, 2020 11:27 PM
Subject: Re: [neonixie-l] Re: Master list of oddball symbols? --> NOW: LL- and LC-tubes

http://www.pwl.mikrokontroler.pl/lampy_elektronowe/ll1/ll1_pie_e.htm

This is the correct link.

W dniu 20.01.2020 o 22:47, Dieter Waechter pisze:

Richard Scales

unread,
Jan 21, 2020, 9:08:16 AM1/21/20
to neonixie-l
Here is some information on some symbol tubes that I have:

ZM1001R Side view Nixie, 14mm symbol height +, –, ~, X, Y, Z
ZM1021 by Mullard, Top view Nixie, 15.5mm symbol height A, V, Ω, +, –, ~, %
ZM1023 by Valvo, Top view Nixie, 15.5mm symbol height A, V, Ω, +, –, ~, %
ZM1024 by RTC, Top view Nixie, 15.5mm symbol height c/s, Kc/s, Mc/s, us, ms, ns, s
ZM1033 by Dario, Side view Nixie, 15mm symbol height +, –, ~
ZM1263 by RTC, Side view Nixie, 10mm symbol height +, -, ~, (spiral)
Z5610M Top view Nixie, 15.5mm symbol height A, V, Ω, +, –, ~, %, W
ZM1081 Side view nixie, 10.5mm symbol height +, –, ~
ZM1243 Side view Nixie, 16mm symbol height +, -, %, Ω, ~

... just in case it helps.

Richard

Dieter Waechter

unread,
Jan 21, 2020, 9:34:45 AM1/21/20
to neoni...@googlegroups.com
Thank you Richard,
about the ZM10.. to ZM13.. symbol tubes I can tell the follwing:

Type

Sort

Base & Pinout

Displayed symbols

Symbol Height

ZM1001

NIX-S

Euro Grid

+, -, ~, X, Y, Z

14 mm (0.55") nominal

ZM1001E

NIX-S

Euro Grid

+, -, ~, X, Y, Z

14 mm (0.55") nominal

ZM1001R

NIX-S

Euro Grid

+, -, ~, X, Y, Z

14 mm (0.55") nominal

ZM1002

NIX-S

Euro Grid

s, ms, µs, ns, Hz, KHz, MHz

14 mm (0.55") nominal

ZM1003

NIX-S(I)

Euro Grid

1 , -, ~, (spiral)

14 mm (0.55")

ZM1003 Labor sample

NIX-S(I)

Euro Grid

1 , -, (spiral)

14 mm (0.55")

ZM1008

NIX-S

Euro Grid

 

14 mm (0.55")

ZM1016

 

 

 

 

ZM1020/01

NIX-E

B13B

0-9 +, -, ~, %

15.5 mm (0.61")

ZM1021

NIX-E

B13B

A, V, Ω, +, -, ~, % or A, V, Ω, +, –, ~, %, W (W is undocumented in datasheets!)

15.5 mm (0.61")

ZM1021 Z521M

NIX-E

B13B

A, V, Ω, +, -, ~, % or A, V, Ω, +, –, ~, %, W (W is undocumented in datasheets!)

15.5 mm (0.61")

ZM1022

NIX-E

B13B

0-9

15.5 mm (0.61")

ZM1022p

NIX-E

B13B

0-9, PL +, -, ~, %

15.5 mm (0.61")

ZM1023

NIX-E

B13B

A, V, Ω, +, -, ~, % or A, V, Ω, +, –, ~, %, W (W is undocumented in datasheets!)

15.5 mm (0.61")

ZM1023 (red variant)

NIX-E

B13B

A, V, Ω, +, -, ~, % or A, V, Ω, +, –, ~, %, W (W is undocumented in datasheets!)

 

ZM1024

NIX-E

B13B

c/s, Kc/s, Mc/s, s, ms, µs, ns

15.5 mm (0.61")

ZM1025

NIX-E

B13B

c/s, Kc/s, Mc/s, s, ms, µs, ns

15.5 mm (0.61")

ZM1026

NIX-E

B13B

½

15.5 mm (0.61")

ZM1028

NIX-E

B13B

(angle), +, -, %

for 15,5(14) mm

ZM1029

 

 

 

 

ZM1031

NIX-S(I)

B9A

+, - or +, −, ~ (The ~ is undocumented in datasheets!)

15.5 mm (0.61")

ZM1031/01

NIX-S(I)

B9A

+, -, ~

15.5 mm (0.61")

ZM1033

NIX-S(I)

B9A

+, - or +, −, ~ (The ~ is undocumented in datasheets!)

15.5 mm (0.61")

ZM1033/01

NIX-S(I)

B9A

+, -, ~

15.5 mm (0.61")

ZM1038

 

 

 

 

ZM1041

NIX-S(I)

B13B

+, -

18 mm (0,7"), nominal 30 mm (1.18")

ZM1041S

NIX-S

B13B

+, -, U, W, X, Y, Z

30 mm (1.18")

ZM1043

NIX-S(I)

B13B

+, -

18 mm (0,7"), nominal 30 mm (1.18")

ZM1043/01

NIX-S(I)

B13B

+, -

18 mm (0,7"), nominal 30 mm (1.18")

ZM1043S

NIX-S

B13B

Y, X, +, W, U, Z, -

30 mm

ZM1047

NIX-S

B13B

T, F, S, N, Z, Y, G, H, M, X

30 mm

ZM1049

NIX-S

B13B

T, F, S, N, Z, Y, G, H, M, X

30 mm

ZM1081

NIX-S(I)

B7D

+, -, ~

10.5 mm (0.413") für/ for 13 mm (0.51")

ZM1083

NIX-S(I)

B7D

+, -, ~

10.5 mm (0.413") für/ for 13 mm (0.51")

ZM1101

 

 

 

 

ZM1131

NIX-S

SK-116

+, -, ~

14 mm (0.55")

ZM1133

NIX-S(I)

SK-116

+, -, ~

14 mm (0.55")

ZM1137

NIX-S

B9A

+, -, ~, Ω

13 mm (0.51")

ZM1139

NIX-S

B13D

+, -, ~, Ω

13 mm (0.51")

ZM1143

 

 

 

 

ZM1163

NIX-EC

SK-136

+, -, ~, ×

15.5 mm (0.61")

ZM1171

NIX

 

 

 

ZM1181

NIX-EC

SK-136

+, -, ~, Ω

15.5 mm (0.61")

ZM1181/GR-43031

NIX-EC

SK-136

+, -, ~, Ω

15.5 mm (0.61")

ZM1183

NIX-EC

SK-136

+, -, ~, Ω

15.5 mm (0.61")

ZM1184A

NIX-EC

SK-136

1, 2, 3, 4, 5, 6, U, K, E, R

15.5 mm (0.61")

ZM1184A/GR-1429

NIX-EC

SK-136

1, 2, 3, 4, 5, 6, U, K, E, R

15.5 mm (0.61")

ZM1185A

NIX-EC

SK-136

1, 2, 3, 4, 5, 6, U, K, E, R

15.5 mm (0.61")

ZM1185A/GR-1420

NIX-EC

SK-136

1, 2, 3, 4, 5, 6, U, K, E, R

15.5 mm (0.61")

ZM1185B

NIX-EC

SK-136

1-8, E, K

15.5 mm (0.61")

ZM1185D

NIX-EC

SK-136

∇, Δ

15,5 mm

ZM1185E

NIX-EC

SK-136

0, +, Kg, t, -, 5, 4, 3, 2, 1

15,5 mm

ZM1185E/GR-1477

NIX-EC

SK-136

0, +, Kg, t, -, 5, 4, 3, 2, 1

15,5 mm

ZM1185F

NIX-EC

SK-136

0-5, U, K, E, R

15.5 mm (0.61")

ZM1236

 

 

 

 

ZM1237

NIX-SI

B13D

½, 3/4, 5/8, 1/4, 7/8

15.5 mm (0.61")

ZM1241

NIX-S

12 Wires

+, -, ~, Ω

16 mm (0.63") nominal, for 15(13) mm

ZM1243

NIX-S

12 Wires

+, -, ~, Ω

16 mm (0.63") nominal

ZM1243/GR-1042

NIX-S

12 Wires

+, -, ~, Ω

for 15(13) mm

ZM1250

DOM

pins on edges ot tube

Dot Matrix

 

ZM1251

DOM

38 pins on edges ot tube

5x7 dot in matrix

approx. 12 mm

ZM1262

NIX-S(I)

SK-116 (only 4 wires left)

+, -, (spiral)

10 mm for 13(10) mm

ZM1263

NIX-S(I)

SK-116 (only 5 wires left)

+, -, ~, (spiral)

10 mm for 13(10) mm

ZM1267

 

 

 

 

ZM1283

 

 

 

 

ZM1331

NIX-S

SK-207

+, -, ~, Ω, PR

13 mm (0.512")

ZM1331K

NIX-S

SK-207

+, -, ~, Ω, PR

13 mm (0.512")

ZM1333

NIX-S

SK-207

+, -, ~, Ω, PR

13 mm (0.512")

ZM1333K

NIX-S

SK-207

+, -, ~, Ω, PR

13 mm (0.512")

ZM1335

NIX-S

SK-207

+, -, ~, Ω, PR

12 mm

ZM1335K

NIX-S

SK-207

+, -, ~, Ω, PR

12 mm

ZM1337

NIX-S

SK-207

+, -, ~, Ω, PR

12 mm

ZM1337K

NIX-S

SK-207

+, -, ~, Ω, PR

12 mm

Additions welcome. Pictures welcome. Datasheets welcome. All data missing in the chart very welcome.

Offers for all welcome, too!



--
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.

Dieter Waechter

unread,
Jan 21, 2020, 3:49:38 PM1/21/20
to neoni...@googlegroups.com
Hi Richard,
are you sure your ZM1243 has a "%" symbol?
Best regards
Dieter

----- Original Message -----
From: Richard Scales
To: neonixie-l
Sent: Tuesday, January 21, 2020 3:08 PM
Subject: Re: [neonixie-l] Re: Master list of oddball symbols? --> NOW: LL-
and LC-tubes


Richard Scales

unread,
Jan 22, 2020, 12:26:46 AM1/22/20
to neonixie-l
I can only apologise - I just went to my box that has all the symbol tubes and curiously, a ZM1243 was sat on top!  - No % - just as you said - very sorry to confuse.

Richard

mgebha

unread,
Jan 22, 2020, 6:32:30 AM1/22/20
to neonixie-l
The LL-55* tubes are great: very nice and reliable. And most of the characters are covered. Note that you can use 0 and 1 from the numeric tube to also cover O and I.

For about 3 years now I am using those tubes for a „POST“-sign to display the state of my postbox inside the house. It lights up when new components from china etc. have arrived. So I always know when it is time to check the mailbox. I am very happy with this nixie project, but did not have time yet to document it...

Best regards
Markus (long term lurker on this group)
4AAF8F35-E446-4EA0-A0E1-2D17CCD7B0E3.jpeg

Dieter Waechter

unread,
Jan 22, 2020, 7:01:30 AM1/22/20
to neoni...@googlegroups.com
Hello Markus,
Yes, I have some of the LL-55x in my collection.
Your "POST" display is cool! I like it.
Best regards
Dieter

martin martin

unread,
Jan 24, 2020, 11:35:44 AM1/24/20
to neonixie-l
If anyone needs some very odd Burroughs symbol tubes I have a box of these-
Free!  I have been unable to find the pin-out but once you pick the Anode, just buzz it out with 180 and be careful...

They are dual-wide and have the "popular symbols"

-martin


--
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.
To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/5E283974.2030703%40nocrotec.com.
B-54364.jpg

Mac Doktor

unread,
Jan 24, 2020, 5:13:28 PM1/24/20
to neoni...@googlegroups.com

On Jan 24, 2020, at 11:35 AM, martin martin <mcve...@gmail.com> wrote:

If anyone needs some very odd Burroughs symbol tubes I have a box of these-
Free!  I have been unable to find the pin-out but once you pick the Anode, just buzz it out with 180 and be careful...

They are dual-wide and have the "popular symbols"

According to the Alan Franzman database...

Socket: SK‑182

pins 8 & 9 at front: Anode=3&14, G[l]=5, M[l]=2, K[l]=4, m[l]=6, µ[l]=8, n[l]=7, Hz[r]=13, S[r]=12

Jon Jackson

unread,
Jan 24, 2020, 6:08:19 PM1/24/20
to neoni...@googlegroups.com
My list shows the symbols as:   2 parallel sets of characters; left side = A,D,K,M; right side = C,R,V,Ω

--
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.
To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/EE1C2764-8FAB-4582-BD63-700D6494B8C3%40gmail.com.

Jon Jackson

unread,
Jan 24, 2020, 6:08:43 PM1/24/20
to neoni...@googlegroups.com
For B-54364 that is...

Mac Doktor

unread,
Jan 24, 2020, 7:46:05 PM1/24/20
to neoni...@googlegroups.com
On Jan 24, 2020, at 6:08 PM, Jon Jackson <jond...@gmail.com> wrote:

For B-54364 that is...

According to the database that's the B‑54365:

A, D, K, M [left]
C, R, V, Ω [right]

pins 8 & 9 at front: Anode=3&14, A[l]=6, D[l]=7, K[l]=5, M[l]=4, C[r]=10, C[r]=11, R[r]=9, V[r]=13, Ω[r]=12


I don't have one of these so...


Terry Bowman, KA4HJH
"The Mac Doctor"

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

Jon Jackson

unread,
Jan 24, 2020, 9:23:28 PM1/24/20
to neoni...@googlegroups.com
Hmmm...

Perhaps my spreadsheet has them swapped.  I see your are correct for the B-54364 from http://www.swissnixie.com/index.php?tubeID=B54364

I have a few B-54364s and one B-54365 according to my entries.  I can see I need to find them and light them up...

Cheers

--
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.
To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/B17B293F-C860-4C0D-97E1-DE5404FB4B69%40gmail.com.

martin martin

unread,
Jan 24, 2020, 9:25:45 PM1/24/20
to neoni...@googlegroups.com
All
I will count them up this weekend and see what’s in the box and divide them up to be fair to everyone  

I live in Southern California by the way..



--
mcve...@gmail.com

Dieter Waechter

unread,
Jan 25, 2020, 2:36:01 PM1/25/20
to neoni...@googlegroups.com
Hi,
this is correct:
Type Displayed Symbols
B-54364 G, M, K, m, µ, n [top], Hz, S [bottom]
B-54365 A, D, K, M [left], C, R, V, Ω [right]
 
Best
Dieter
 

Dalibor

unread,
Jan 26, 2020, 10:25:24 AM1/26/20
to neonixie-l
According to internal newsletter from Tesla Vrchlabi (manufacturer of nixie tubes from the Czech Republic) from 1968 - Burroughs had 15 standard types of tubes in production and another 2000 customized tubes for their customers (probably custom cathodes). It would be interesting to see some of those applications, 2000 of them!
pic_0206.JPG
Reply all
Reply to author
Forward
0 new messages