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Record Details

American-Type Radio Tube, USA, 20th Century

preview image for American-Type Radio Tube, USA, 20th Century
Inventory Number: 31425
Object Type:
Place Created: USA North America
Accession Number: 2004-9/375
Brief Description: American Radio Tube (or Valve) with glass balloon, brass-plated bakelite? base and three 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.
Primary Inscriptions: "T 13 1" printed on surface of bulb
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
assorted metals.
Height Width Depth Diameter Unit
100 45 mm

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Image with multimedia irn 35545Image with multimedia irn 35546

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