Glass bulb with silver lining and metal base with four pins on bottom. Black bakelite stand/plug with four electrical points.
Processed Material/Glass
Processed Material/Metal
Processed Material/Synthetic/Plastic/Bakelite
Signature/Marks and Type
Radio Micro. Printed
JY Printed
Accession No
Credit Line
Valve, 1978.1681. The Museum of Transport and Technology (MOTAT).

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