|
unusual tubes
I was digging through a box of tubes I picked up and found these. I thought they might be for mechanical television, anyone know for sure?
The one on the left says on the base: VISITRON Rauland MADE IN U.S.A. 1P30 71A2, and on the glass: 5
The one on the right says on the base: VISITRON Rauland MADE IN U.S.A. 59A3 ....GM VISITRON.... 59A 90 VOLTS MAXIMUM
Last edited by Adam; 09-13-2009 at 10:36 AM.
|