General Electric type 12-AT-7 high-Mu twin triode
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 9-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "[GE logo] Electronic / Tube / Made in U.S.A.” Donor’s card reads: “High-Mu twin triode made by General Electric Company. Used as a cathode driven amplifier or frequency converter in FM and television receivers. Center tapped heater arranged for either 6.3 or 12.6 volt operation. Each plate maximum 300 volts and a negative control grid bias of 50 volts.” See also: https://www.radiomuseum.org/tubes/tube_12at7.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.324841
label: catalog number
content: 324841
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/4 in x 3/4 in; 5.715 cm x 1.905 cm