Ken-Rad type 12AH7GT audio frequency double triode
date: label: date made
content: 1941
name: label: maker
content: Ken-Rad Tube and Lamp Corporation
notes: label: Description (Brief)
content: An 8-pin plastic base with center post. Mica insulator. T-shaped glass envelope. Printed on base: "Engineering Sample / A / 3 / Ken-Rad / Made in U.S.A."; on envelope: "12AH7 / GT". Paper label reads: "Laboratory sample / Type 12AH7GT Date 1-31-[19]41 / Ken-Rad Tube and Lamp Corporation / Incorporated / Owensboro Kentucky". Reference: https://www.radiomuseum.org/tubes/tube_12ah7gt.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 Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313862
label: catalog number
content: 313862
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: double triode
physicalDescription: label: Measurements
content: overall: 3 in x 1 1/4 in; 7.62 cm x 3.175 cm