Sylvania type 1291 / 3-B-7 / VT-182 twin triode
date: label: date made
content: ca 1943
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 8-pin metal base with center post, T-shaped envelope, silvered at top. Donor’s card reads: “Twin triode made by Sylvania Corporation for the US government during World War II. A look-in type designed for ultra high frequency applications as a Class A amplifier, 90 volts on the plate and a zero control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_1291.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.324716
label: catalog number
content: 324716
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Object Name
content: dual triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 3/4 in x 1 1/4 in; 6.985 cm x 3.175 cm