Ken-Rad type 70L7GT halfwave rectifier, beam power tetrode
date: label: date made
content: ca 1939
name: label: maker
content: Ken-Rad Tube and Lamp Corporation
notes: label: Description (Brief)
content: A plastic base with 8 pins, center post and metal shell, T-shaped envelope. Stamped on base: "C 3 / Engineering Sample / Ken-Rad / Made in U.S.A."; on envelope: "70L7 / GT". Reference: https://www.radiomuseum.org/tubes/tube_70l7gt.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.313977
label: catalog number
content: 313977
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 1 1/4 in; 8.89 cm x 3.175 cm