United Electronics type 845 triode
date: label: date made
content: ca 1943
name: label: maker
content: United Electronics Company
notes: label: Description (Brief)
content: A metal 4-pin base with T-shaped envelope. Base stamped: JAN / CUE-845 / Made in U.S.A.” Donor’s card reads: “Triode made by United Electronics Co., of Newark, N.J. for the US government during World War II. Used as modulators and radio amplifiers. Tube design originated with GE and was first sold by RCA in 1928. This tube was used in the AM broadcast transmitter at station WCOJ, Coatesville, Pa. Thoriated tungsten filament: 10 volts at 3.25 amperes. Used as a Class A-1 audio amplifier with 1250 volts on the plate, this tube will deliver 30 watts audio, and in Class AB-1 will deliver about 50 watts audio power.”
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.324964
label: catalog number
content: 324964
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: 7 3/4 in x 2 1/4 in; 19.685 cm x 5.715 cm