RCA type 12SQ7 "Radiotron" twin diode triode
date: label: date made
content: ca 1941
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A double diode-triode for audio frequency use, with an 8-pin base and metal envelope. Marked: "RCA Radiotron / Made in U.S.A. / 12SQ7 / RE1". Reference: https://www.radiomuseum.org/tubes/tube_12sq7.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322649
label: catalog number
content: 322649
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: dual diode
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm