Duplicate of patent model, Blake telephone, US Patent #s 250,126 thru 250,129
date: label: Date made
content: 1881
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308622
label: catalog number
content: 308622
label: accession number
content: 89797
objectType: label: Object Name
content: Telephone
label: Object Name
content: telephone transmitter
label: Other Terms
content: Telephone; Telephones; Transmitter; Carbon
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 12 in x 7 3/4 in; 9.525 cm x 30.48 cm x 19.685 cm