Re: [neonixie-l] Re: Rare Russian special color VFD tubes

[Дмитрий Шевченко]

Yes, this is the Saratov Factory samples.
In 1990, they tried to apply different phosphors. So, at now time
Saratov's Factory are destroyed.
You can look at the different exhaust tube in comparison with the usual green.

P.S.
I also pumped different gases in IN-18 in Russia.
https://radiokot.ru/forum/viewtopic.php?f=17=153883=previous
ср, 24 окт. 2018 г. в 19:50, jb-electronics :
>
> I think so, they must be some experimental lab samples, I have never seen 
> these in more than ten years. Jens
>
>
> On 2018-10-24 4:26 a.m., John Snow wrote:
>
> Interesting. Different phosphor coatings?
>
> On Tuesday, 23 October 2018 17:24:50 UTC+1, Jens Boos wrote:
>>
>> Hey folks,
>>
>> Have you seen these VFD tubes on Ebay? http://www.ebay.com/itm/223200328320
>>
>> It looks like a quite rare find, I have never seen those before.
>>
>> Best wishes
>> Jens
>>
>>
>>
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Re: [neonixie-l] Re: Rare Russian special color VFD tubes

[jb-electronics]

I think so, they must be some experimental lab samples, I have never 
seen these in more than ten years. Jens



On 2018-10-24 4:26 a.m., John Snow wrote:

Interesting. Different phosphor coatings?

On Tuesday, 23 October 2018 17:24:50 UTC+1, Jens Boos wrote:

Hey folks,

Have you seen these VFD tubes on Ebay?
http://www.ebay.com/itm/223200328320


It looks like a quite rare find, I have never seen those before.

Best wishes
Jens



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