RCA type 815 “Radiotron” twin-beam power tube
date: label: date made
content: ca 1946
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An 8-pin metal base with plastic insulator and center post, two top contacts, T-shaped envelope. Stamped on base: "RCA / Radiotron / Electron / Tube / Made in U.S.A.”, on envelope: “815”. Donor’s card reads: “Twin-beam power tube made by the Radio Corporation of America for transmitting purposes. Used as an audio frequency amplifier and modulator, also as a radio frequency amplifier and oscillator up to 135 megacycles. 8-pin octal base. Heater tapped for 6.3 or 12.6 volts at 1.6 or .8 amperes, respectively. Used as a Class C radio frequency amplifier this tube will deliver about 40 watts output. See also: https://www.radiomuseum.org/tubes/tube_815.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.324957
label: catalog number
content: 324957
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: electron tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 2 in; 10.795 cm x 5.08 cm