More nixies for sale..

[Nicholas Stock]

Having a clear out (as you can probably tell..).

I had planned on making a display out of these, but too many projects and too little time and all that..

These look to be either B4998s or something similar in custom display brackets with D-type connectors in two styles. 8 of one kind with a neon bulb in each below the tube and 6 of the other kind. All the tubes have gas, but that's about as much testing as I've done.

PM if interested.

Cheers,

Nick

[jb-electronics]

Don't think these are 4998's, but perhaps 6884A?

Jens

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[bogdan paduraru]

For sure they are small like 4998 .. you could check the screw holes .. imagine those if the tubes are 6884A as you mentioned

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[Nicholas Stock]

They're probably 4021's, they look very similar to the one's in Jeff Thomas' original nixie watch....I should have included a reference for size on the post...the tubes are about 10 mm across.

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[David Forbes]

Those are likely to be 7977 or B4032 tubes. Jeff Thomas used them in his first Nixie watches 20 years ago. 

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[Nicholas Stock]

Good point David.

Sent from my iPhone

On Jul 18, 2022, at 07:34, David Forbes <nixie...@gmail.com> wrote:



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[jb-electronics]

Oops, you are right about the screw holes of course---I was just thrown off by the fact that the 4988's are rectangular. Could also be 7009's.

On 2022-07-18 10:34 a.m., David Forbes wrote:

Those are likely to be 7977 or B4032 tubes. Jeff Thomas used them in his first Nixie watches 20 years ago. 

On Sun, Jul 17, 2022, 6:31 PM Nicholas Stock <nick...@gmail.com> wrote:

Having a clear out (as you can probably tell..).

I had planned on making a display out of these, but too many projects and too little time and all that..

These look to be either B4998s or something similar in custom display brackets with D-type connectors in two styles. 8 of one kind with a neon bulb in each below the tube and 6 of the other kind. All the tubes have gas, but that's about as much testing as I've done.

PM if interested.

Cheers,

Nick

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[David Forbes]

Here's a lengthy neonixie thread from 2003 discussing these small tubes. It features most of the usual suspects.

https://groups.io/g/neonixie-l/topic/1031677

Alan Franzman gives a complete list of the different tube numbers in that style.

The Jim that you see in this thread built a Jeff Thomas Nixie watch, but he was young and inexperienced, and botched the build. I offered to repair it, but the board was too damaged to salvage.

On Sun, Jul 17, 2022, 6:31 PM Nicholas Stock <nick...@gmail.com> wrote:

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[Nicholas Stock]

That's an entertaining little time capsule. I have some examples of a variety of those tubes...I'll dig up the numbers.

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[Nicholas Stock]

The definitive answer...I took one of the units apart (hardly a mechanical feat...two screws!). The nixies are B4021-L type. So looks like I guessed right (the second time...).

Cheers,

Nick