Radio Corporation of America Limited, Manufacturer

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Maker and Role
Radio Corporation of America Limited, Manufacturer
Glass valve with metal tip at the top of the valve and eight metal electrodes protruding from the bottom of the black bakelite collar. Glass bulb is slightly pear shaped. Bulb is lined with silver
Processed Material/Glass
Processed Material/Metal
Processed Material/Synthetic/Plastic/Bakelite
Signature/Marks and Type
RCA Printed
Accession No
Credit Line
Radio Corporation of America Limited. Valve, F1952.2004. The Museum of Transport and Technology (MOTAT).

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I'm sure this is a 6U7G valve . the top connection is the control grid. 100's of these were used in the late 40's and through the 50's. that type of base is an "Octal".

- Steve Miller

Posted on 25-04-2020 02:19:44