Catalogue
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American-Type Radio Tube, USA, 20th Century
Inventory Number: 36535
Date: 20th Century
Maker Details: Unknown
Inscription: None
Size: 110 mm in overall length (including base pins)
Materials: Glass, brass, bakelite?, assorted metals.
Other Given Number(s): Christie's 213.
Notes:
American Radio Tube (or Valve) with glass balloon, brass-plated bakelite? base and four brass base pins. Base slightly damaged and corroded. With anode mounted vertically in interior of bulb. Possibly c. 1930s. Previously catalogued with assorted other valves.
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