RCA type UX200A "Radiotron" triode
date: label: date made
content: 1926
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: RCA Radiotron type UX-200A triode. Plastic 4-pin base with S-shaped glass envelope, thoriated filament. Marked: "RCA" and "Radiotron / UX-200-A". A 4-pin triode detector, filament volts: 5, filament amps: 1, plate voltage: 15-25. Patent dates on box from 12 April 1910 to 26 August 1924. Reference: Tyne, "Saga of the Vacuum Tube," pages 316; html.https://www.radiomuseum.org/tubes/tube_ux200a.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 the United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320207
label: catalog number
content: 320207
label: accession number
content: 188571
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: electron tube, triode: 11 cm x 4 cm; 4 5/16 in x 1 9/16 in