Cunningham type 80 full-wave vacuum rectifier
date: label: date made
content: 1933
name: label: maker
content: E. T. Cunningham, Inc.
label: maker
content: Cunningham, Elmer T.
notes: label: Description (Brief)
content: A plastic 4-pin base with S-shaped envelope. Stamped on base: “Cunningham / Licensed / only to extent / indicated on carton”; on envelope: "80". Paper label reads: "This tube when sold / was tested O.K. / Thor Radio Co. / 167 Greenwich St. / COrtland 7-3324 N.Y. City / Date: May 26 1933". See also: https://www.radiomuseum.org/tubes/tube_80.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320583
label: catalog number
content: 320583
label: accession number
content: 242374
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 5/8 in x 2 1/8 in; 14.2875 cm x 5.3975 cm