Sylvania type 27 vacuum triode
date: label: date made
content: ca 1930
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A plastic 5-pin base with mica insulator, domed envelope. Stamped on base: "Sylvania / Made in U.S.A. / A4". Stamped on envelope: "27". Reference: https://www.radiomuseum.org/tubes/tube_27.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 United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320210
label: catalog number
content: 320210
label: accession number
content: 188571
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/8 in x 1 1/2 in; 10.4775 cm x 3.81 cm