RCA type UV201A "Radiotron" triode
date: label: date made
content: ca 1923
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: RCA type UV201A triode. Brass shell with 4 pins, ceramic insulator. Tipped, S-shaped envelope. Stamped on base: "Radiotron / Model UV-201-A / Patented". Paper label reads: "This tube by / Beardsley Specialty Co. / Rock Island, Ill. / File No. 61317". References: Tyne, "Saga of the Vacuum Tube," pages 298, 313-315, 429; https://www.radiomuseum.org/tubes/tube_uv201a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323065
label: catalog number
content: 323065
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 3/4 in; 10.795 cm x 4.445 cm