RCA type UX199 "Radiotron" triode
date: label: date made
content: ca 1928
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with tipless T-shaped envelope, silvered. Stamped: "Radiotron / UX 199", and "Licensed only to extent / indicated on carton"; RCA logo on top. Paper label reads: "Tested Radiotron / from / C. J. Litscher Co. / Grand Rapids, Michigan". See also: https://www.radiomuseum.org/tubes/tube_ux199.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 W. Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN80616U30
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: 3 3/4 in x 1 1/8 in; 9.525 cm x 2.8575 cm