Gray harmonic telegraph transmitter, patents #166,095 and 166,096
date: label: date made
content: 1875
name: label: maker
content: Gray, Elisha
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.252625
label: catalog number
content: 252625
label: accession number
content: 49064
objectType: label: Object Name
content: Transmitter, Telegraph, Musical Tone
label: Object Name
content: transmitter, telegraph
label: Object Name
content: telegraph transmitter
label: Object Name
content: harmonic telegraph
physicalDescription: label: Measurements
content: overall: 3 in x 5 1/2 in x 10 in; 7.62 cm x 13.97 cm x 25.4 cm