Western Electric model 600A microphone
date: label: Date made
content: 1923
label: associated date
content: 1926
name: label: maker
content: RCA Corporation
notes: label: Description
content: NBC carbon "button" microphone with desk stand. Per card catalog: One of the type first produced expressly for radio broadcasting. With refinements is still [1938] in use. High electrical output overcomes objections to unreliability under changes of temperature and humidly and noisy operation. [This type of microphone] first used at station WEAF about 1923. Carbon transmitter mounted in bronze metal and gauze case on base. Only mark "Back," about 8" diam.
label: Location
content: Currently not on view
place: label: place made
content: United States
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.311445
label: catalog number
content: 311445
label: accession number
content: 148157
objectType: label: Object Name
content: Microphone
label: Other Terms
content: Microphone; Audio Devices
physicalDescription: label: Measurements
content: overall: 8 in x 6 1/2 in x 5 1/4 in; 20.32 cm x 16.51 cm x 13.335 cm