Bell Labs model D 165529 sound spectrograph
date: label: date made
content: ca 1940
name: label: maker
content: Bell Telephone Company
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Speech Communications Research Laboratory, Inc., thru David J. Broad
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.336486.01
label: catalog number
content: 336486
label: accession number
content: 1978.0185
label: model number
content: D 165529
objectType: label: Object Name
content: Spectrograph, Sound, Part of
label: Object Name
content: sound spectrograph
physicalDescription: label: Measurements
content: overall: 35 in x 32 in x 64 in; 88.9 cm x 81.28 cm x 162.56 cm