RCA type UV201A "Radiotron" triode
date: label: date made
content: ca 1923
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with tipless S-shaped envelope. Silvered with a clear window at top. Stamped on top with the RCA logo. Etched on base: "3180", stamped: "Radiotron / -UV-201-A- / Licensed only / to extent indi- / cated on carton." References: Tyne, "Saga of the Vacuum Tube," pages 309-315; 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: transfer from the National Bureau of Standards
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN80616U58
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: overall: 4 in x 1 3/4 in; 10.16 cm x 4.445 cm