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ID = 80487
Tube type:  Photocell 
Identical to TC-2_Cell

Base SPECIAL TUBEBASE in general
Was used by Technology / Measurement
Filament No heater

Argon-filled caesium photocell. Bi-pin bakelite base, tennis-ball bulb.

Made by Telephoto, New York. Advertised in Electronics, February 1932.

Information source Electronics   
TC-2_Cell: Electronics, February 1932
Achim Dassow


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