> On Jul 17, 2020, at 4:25 AM, Terry Kennedy wrote:
>
> I have some large Soviet VFD panels which are allegedly intended for a
> submarine - parts of the display look like ballast tanks. But they could also
> be separator drums from a later RBMK type reactor cooling system. Most of the
>
Yes. It looks like those Russian tubes that are neon based with a phosphor
screen in front, to glow green.
On Tuesday, May 19, 2020 at 12:02:55 PM UTC-3, J Forbes wrote:
>
> this is a different type of tube. Look close.
>
>
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this is a different type of tube. Look close.
On Sunday, May 17, 2020 at 12:29:12 PM UTC-7, Paul Andrews wrote:
>
> Nigel has already given you a link that shows this type of tube. They are
> 7-segment Nixie tubes. Here are pictures of the J4851 that I own.
>
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They're definitely not Numitron (or other filament) tubes. I use *a lot*
of Numitron-type tubes, and these have segments that are too wide
(Numitrons are just a filament wide) and too uniform in brightness (even
with a filter, Numitrons are brighter in the center, and also the ends tend
to be
Numitrons are very thin filaments. I only have one Numi clock. My guess
is filtered VFDs.
~
*mcvei...@gmail.com *
On Sat, May 16, 2020 at 5:15 AM Paul Andrews wrote:
> I have some tubes like that (J4851). They require an unusually high
> voltage (though very low current) to light reliably
I have some tubes like that (J4851). They require an unusually high voltage
(though very low current) to light reliably and with any brightness.
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From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On
Behalf Of David Pye
Sent: 16 May 2020 11:06
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Different color VFD tubes?
They don't look like VFDs to me, there is no obvious grid or heated cathode
It’s “Eightron”-tubes.
Probably Sanyo SMI-02 or similar.
// Per.
> On 16 May 2020, at 11.45, Mattelec wrote:
>
> After a quick search of nixie tubes in eBay, found an add of a japanese
> calculator which appear to use orange VFD tubes.
> No colour film is over the tubes, so those are quite
They don't look like VFDs to me, there is no obvious grid or heated cathode
Are they not numitrons?
David
On Sat, 16 May 2020, 10:45 Mattelec, wrote:
> After a quick search of nixie tubes in eBay, found an add of a japanese
> calculator which appear to use orange VFD tubes.
> No colour film is
After a quick search of nixie tubes in eBay, found an add of a japanese
calculator which appear to use orange VFD tubes.
No colour film is over the tubes, so those are quite interesting, maybe
some type of filament tubes? Have you ever seen something similar?
Might be some kind of nixie tubes
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