Hughes carbon rod microphone
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 International Business Machines, Inc., William J. Hammer Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320545.01
label: catalog number
content: 320545.01
label: accession number
content: 241402
objectType: label: Object Name
content: Microphone
physicalDescription: label: Measurements
content: overall: 10 in x 8 1/2 in x 3 1/2 in; 25.4 cm x 21.59 cm x 8.89 cm