Arcturus type AC28 triode
date: label: date made
content: ca 1928
name: label: maker
content: Arcturus
notes: label: Description (Brief)
content: An audio frequency triode. Plastic 4-pin base with tipped S-shaped envelope, blue glass. Stamped on base: "15V / Arcturus / A.C. / Amplifier / 28 / Pats Pending / 15V". References: Tyne, "Saga of the Vacuum Tube," pages 341-342; https://www.radiomuseum.org/tubes/tube_ac-28.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323259
label: catalog number
content: 323259
label: accession number
content: 241556
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 3/4 in x 1 3/4 in; 12.065 cm x 4.445 cm