Valve

Maker and role
Sonatron, Manufacturer
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Object detail

Accession number
1978.1683
Maker
Sonatron
Description
Silver lining on glass bulb with paper sticker. Black base with 4 pins and black stand with 4 connections.
Marks
Sonatron
21/67 Sticker
Silver / Marshall / Made / in U.S.A Embossed
Media/Materials
Processed Material/Glass
Processed Material/Synthetic/Plastic/Bakelite
Processed Material/Paper
Credit Line
Sonatron. Valve, 1978.1683. The Museum of Transport and Technology (MOTAT).

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