RCA Radiotron Company Incorporated, Manufacturer

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Maker and Role
RCA Radiotron Company Incorporated, Manufacturer
Glass bulb with metal inside. Black bakelite base with four pins from bottom. Metal bracket clip on the side.
Processed Material/Glass
Processed Material/Metal
Processed Material/Synthetic/Plastic/Bakelite
Signature/Marks and Type
RCA Radiotron Printed
Accession No
Credit Line
RCA Radiotron Company Incorporated. Valve, 1978.1728. The Museum of Transport and Technology (MOTAT).

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