Western Electric type 274A rectifier
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin base with domed envelope. Markings: "Western Electric / Made in U.S.A. / 274-A". Tag on glass, "Low Replace". "The No. 274A Vacuum Tube is a full-wave, thermionic, high-vacuum rectifier for use in circuits designed to supply direct current from an alternating current supply." Reference: https://www.westernelectric.com/s/274A.pdf.
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.321135
label: catalog number
content: 321135
label: accession number
content: 241556
objectType: label: Object Name
content: rectifier
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 2 in; 13.97 cm x 5.08 cm