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ID = 30783
Tube type:  Numerals- and Symbols indicating tube   Indication 
Identical to B5560

Base Wires only.
Filament No heater
Description Burroughs 0-9 indicator. Side View 0.6" high numerals. 
Information source -- Collector info (Sammler)   
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B5560: Heinz Höger
Heinz Höger

B5560: H.H.
Heinz Höger

B5560: Hersteller (teilweise H.H.)
Heinz Höger

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