Valve

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Object detail

Accession number
1978.1735
Description
Glass bulb with metal inside. Black bakelite band and base with 4 electrical points.
Marks
de Forest AUDION
Media/Materials
Processed Material/Glass
Processed Material/Synthetic/Plastic/Bakelite
Processed Material/Metal
Credit Line
Valve, 1978.1735. The Museum of Transport and Technology (MOTAT).

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