Sylvania type 12J7G vacuum pentode
date: label: date made
content: ca 1940
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 7-pin plastic base with center post, top contact, screen grid, domed envelope. Stamped on base: "Sylvania / Made in U.S.A. / [leaf logo] / N / O / R"; on envelope: "12J7 / G". Reference: https://www.radiomuseum.org/tubes/tube_12sj7g.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.313924
label: catalog number
content: 313924
label: accession number
content: 195337
objectType: label: Object Name
content: pentode
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm