Gray harmonic single-tone transmitter
date: label: Date made
content: July 1874
name: label: maker
content: Elisha Gray
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 Delia Gray
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.214295
label: catalog number
content: 214295
label: accession number
content: 38810
objectType: label: Object Name
content: Transmitter, Telegraph, Single Tone
label: Object Name
content: telegraph transmitter
physicalDescription: label: Measurements
content: overall: 4 in x 6 in x 5 in; 10.16 cm x 15.24 cm x 12.7 cm