Westinghouse type AA radio frequency amplifier
date: label: date made
content: ca 1921
label: date made
content: c 1920
label: date made
content: c 1921
name: label: maker
content: Westinghouse Electric Corporation
notes: label: Description (Brief)
content: Marked: Westinghouse Electric & Mfg. Co. / Pittsburgh, PA, USA / Audio Frequency Amplifier / Two stage / Type AA / Style 307207 /
label: Description (Brief)
content: Serial 349 / 5826 - (12-28-20) Two stage audio amplifier using 301-A type tubes. Controls include two filament rheostats.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Pittsburgh
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.320693
label: accession number
content: 241556
label: catalog number
content: 320694
label: serial number
content: 349
objectType: label: Object Name
content: amplifier
label: Object Name
content: radio amplifier
label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 11 in x 6 in x 9 1/4 in; 27.94 cm x 15.24 cm x 23.495 cm