Blake telephone transmitter
date: label: date made
content: 1880
notes: label: Description (Brief)
content: One of four items: 1 receiver, 1 transmitter, 2 magneto call bells. Blake transmitter, No. 200. Small wooden box transmitter used in conjunction with the Williams' magneto wall set. From donor card: "This apparatus was obtained by the late Mr. W. S. Chase when he was examiner in the Patent Office at the time of the invention of the telephone. It was used in his home in 1880." Hinged front cover with keyed lock. Diaphragm and electromagnet inside. Four cloth insulated wire leads on top. Stamped on front: "Patented / Mar. 7'76 / Jan 30'77 / Other Patents / Applied for / Property of / Bell Telephone Co."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Mrs. W. S. Chase
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308349.03
label: accession number
content: 85303
label: catalog number
content: 308349.03
label: serial number
content: 200
objectType: label: Object Name
content: telephone transmitter
physicalDescription: label: Measurements
content: overall: 8 in x 4 3/4 in x 2 3/4 in; 20.32 cm x 12.065 cm x 6.985 cm