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The GS34 photocell also has the old UK stores code of 10E/820. The operating voltage is marked on the paper label at 120 Volts.
The ring of wire is the anode and the curved plate is the photo cathode.
The wide glass tube envelope is 25 mm in diameter, and including the base pins is 59 mm tall.
Reference: Observation.


Updated October 20, 2014.
shape:wide.glass.tube construction:all.glass type:photocell age:1930.1940 base: pin:
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