Westinghouse "Tomato Can" microphone from station KDKA
date: label: Date made
content: 1920
name: label: maker
content: Westinghouse Electric Corporation
notes: label: Description
content: Westinghouse "Tomato Can" microphone from station KDKA. Adaptation of telephone transmitter in suitable mounting, incorporates acoustical equalizer and other minor refinements. Same technical limitations as Cat. No. 311,443. This instrument is the actual instrument used in broadcast of press bulletins of Harding-Cox election returns Nov. 2, 1920, an event sometimes considered as the beginning of broadcasting. Brass can painted black, wire gauze at one end.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from National Broadcasting Company, Inc.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311444
label: catalog number
content: 311444
label: accession number
content: 148157
objectType: label: Object Name
content: Microphone
label: Other Terms
content: Microphone; Audio Devices
physicalDescription: label: Measurements
content: on stand: 17 in x 8 in; 43.18 cm x 20.32 cm
label: Measurements
content: mic only: 5 in x 5 in; 12.7 cm x 12.7 cm