Carbon Button Transmitter
date: label: Date made
content: ca 1880
notes: label: Description (Brief)
content: Telephone transmitter, early microphone, wooden flare mouthpiece, wood frame.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Tufts University, Departments of Electrical Engineering and Physics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.328106
label: catalog number
content: 328106
label: accession number
content: 270107
objectType: label: Object Name
content: Telephone Transmitter
label: Other Terms
content: Telephone Transmitter; Telephones; Transmitter; Carbon
physicalDescription: label: Measurements
content: overall: 5 in x 1 1/2 in; 12.7 cm x 3.81 cm