Bell "gallows frame" magneto telephone transmitter
date: label: Date made
content: 1875?
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 American Telephone & Telegraph Co.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.289949
label: catalog number
content: 289949
label: accession number
content: 59455
objectType: label: Object Name
content: Telephone Transmitter
label: Object Name
content: experimental telephone
physicalDescription: label: Measurements
content: overall: 7 in x 7 1/4 in x 4 1/2 in; 17.78 cm x 18.415 cm x 11.43 cm