GE / RCA type UX240 "Radiotron" vacuum triode
date: label: date made
content: 1927
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A plastic 4-pin base with tipless S-shaped envelope, silvered. Stamped on base: "Radiotron / UX-240". Donor's card reads: "Triode made by General Electric for the Radio Corporation of America in February 1927. A "High Mu" tube intended primarily for use as a resistance coupled radio or audio frequency amplifier in home broadcast receivers. Somewhat similar to the Daven MU-20 [catalog number 324389]. Filament: 5 volts at .25 ampere. Plate voltages up to 180 can be used with this tube as an amplifier. Thoriated tungsten filament." See also: https://www.radiomuseum.org/tubes/tube_ux240.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324390
label: catalog number
content: 324390
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 1/4 in; 10.795 cm x 3.175 cm