Unfortunately, the F9020 tubes were only made in very small quantities
as far as I know, so it is no big wonder they only show up very rarely.
This is different with lots of Russian and East German tubes, which are
literally sitting in warehouses by the thousands, being hoarded by
sellers
Back on Nov 1st, when I posted this link:
http://www.industrialalchemy.org/articleview.php?item=1073, I tried to find
some MTX90 tubes on ebay. I couldn't find any. Now, you can literally buy them
by the hundred. Do they somehow know what is being searched for? It doesn't
seem to work for some
The green is phosphor. See
http://www.industrialalchemy.org/articleview.php?item=1073
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Gadzooks that has a crazy number of electrodes; I'm trying to understand
what inspired the Soviets to develop this instead of a segmented nixie.
It's definitely an interesting device, but it has a lot of disadvantages in
terms of manufacturing complexity.
Does anyone know if there is some kind
Here's a contact e-mail for Sergey who sold me several sets of ITS1 tubes:
Sergey Alekseev
I've confirmed that he has a fair number of ITS1A tubes in stock. These are
probably a mix of the "A" and "B" versions, and also likely a mix of white
and pink washers. You will have to ask him for
The description is great: "This tube is harder to find than an honest
Congressional candidate"
On Wednesday, November 1, 2017 at 8:19:48 AM UTC-5, GastonP wrote:
>
> Hi guys,
> Not from me nor for my wallet, but I found this item that I thought
> some of you might be interested in.
> If
