Western Electric / NBC suspension carbon radio microphone
date: label: Date made
content: 1925
name: label: maker
content: Western Electric
notes: label: Description
content: Western Electric / NBC suspension carbon radio microphone. Carbon microphone suspended by springs or elastics in metallic ring to prevent vibrations of microphone stand from reaching the instrument, and to eliminate interference of the various earlier containers. Used 1925 to 1938. Carbon microphone suspended on rubber springs in a nickeled ring on short stand and base. Loose nameplate NBC. Marked on microphone "H" on stand "J. R. Palmenbergs sons."
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.311446
label: catalog number
content: 311446
label: accession number
content: 148157
objectType: label: Object Name
content: Microphone
label: Other Terms
content: Microphone; Audio Devices
physicalDescription: label: Measurements
content: overall: 17 in x 7 1/2 in x 3 in; 43.18 cm x 19.05 cm x 7.62 cm