Tubes with "numbers" inside them

[Eric at Svetlana Electron Devices]

>   I remember from 15-20 years back some lab measuring devices like
>   freq.counters and some very hightech HIFI equipment like the Revox
>   tuners had - I don't know how to describe them better than - "tubes
>   with glowing numbers inside them".
>
>As others have said, "Nixie Tubes".  I miss them terribly.

I'm preparing to write an article about the early history of display tubes.
Have amassed a large collection of Nixies, Pixies, Dekatrons, Numitrons
and counter tubes. Plus data and application info.
If you need more information, just ask.