Details


Description
Glass bulb with metal inside. Black bakelite band and base with 4 electrical points.
Media/Materials
Processed Material/Glass
Processed Material/Synthetic/Plastic/Bakelite
Processed Material/Metal
Signature/Marks and Type
de Forest AUDION
Accession No
1978.1735
Credit Line
Valve, 1978.1735. The Museum of Transport and Technology (MOTAT).
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