RCA type 958 “acorn” triode
date: label: date made
content: ca 1935
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A small glass tube, no base, tip on bottom, three contact pins on one side, two on the other side. Stamped: “[RCA logo] / 958”. Donor’s card reads: “Triode, acorn type, made by the Radio Corporation of America about 1935. Used as an oscillator in the UHF range. Also may be used as an audio power output tube or as a radio frequency amplifier. Coated filament type: 1.25 volts at .1 ampere. 135 volts maximum on the plate at 3 milliamps, 7.5 volts negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_956.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.325079
label: catalog number
content: 325079
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: 1 1/4 in x 1 1/4 in x 3/4 in; 3.175 cm x 3.175 cm x 1.905 cm