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ID = 20934
Brand: Common type Europe tube/semicond.
Tube type:  Numerals- and Symbols indicating tube   Indication 
Identical to ZM1031
Similar Tubes
Normally replaceable-slightly different:

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament --/--
Description Cold cathode sign indicator; same physical dimensions as ZM1030. Red contrast filter. Also ZM1031/01 with sinusoid symbol added.
Made by Philips and/or by Philips owned marks, as Amperex, Mullard, Valvo. 
Text in other languages (may differ)
Information source - - Manufacturers Literature   

ZM1031: Valvo
Robert Schmalstieg
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zm1031_sockel.png ZM1031: Valvo
Robert Schmalstieg

Just Qvigstad
ZM1031: Valvo
Robert Schmalstieg

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Usage in Models 1= 1975??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



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