RCA type 955 "acorn" triode
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A small glass tube, no base, tip on top, three contact pins on one side, two on the other side. Stamped: “955”. Donor’s card reads: “Triode, acorn type, made by the Radio Corporation of America about 1940. Used as a detector, amplifier, or oscillator. Heater type: 6.3 volts. As a Class C radio frequency amplifier with 180 volts on the plate, 35 volts negative control grid bias, this tube can deliver an output of .5 watts of radio frequency power.” See also: https://www.radiomuseum.org/tubes/tube_955.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.324959
label: catalog number
content: 324959
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: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: electron tube, triode: 2.7 cm x 1.8 cm; 1 1/16 in x 11/16 in
label: Measurements
content: overall: 1 in x 3/4 in; 2.54 cm x 1.905 cm
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