Sylvania 1C8 heptode
date: label: date made
content: ca 1941
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: No base. Eight 1.25" leads emerge from the bottom. Tipped T-shaped envelope. "Stamped: "[Triangle S logo] / Sylvania / Type 1C8 / Made in U.S.A. / 713]" 1966 list notes: "Midget sized tube developed circa 1941, for use in miniaturized receiver equipment. Such were made by Raytheon and by Sylvania." Reference: https://www.radiomuseum.org/tubes/tube_1c8.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 the Estate of John H. Hammond, Jr., thru The National Shawmut Bank of Boston
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.327509B
label: catalog number
content: 327509B
label: accession number
content: 266066
objectType: label: Object Name
content: heptode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall (with leads): 2 3/4 in x 3/8 in; 6.985 cm x .9525 cm