Gray harmonic single-tone telegraph transmitter
date: label: date made
content: ca 1876
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
creditLine: label: Credit Line
content: from Delia Gray
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.214300
label: catalog number
content: 214300
label: accession number
content: 38810
objectType: label: Object Name
content: Telegraph
label: Object Name
content: telegraph transmitter
label: Object Name
content: harmonic telegraph
label: Other Terms
content: Telegraph; Telegraphy; Communications
physicalDescription: label: Measurements
content: overall: 2 1/4 in x 10 in x 5 3/4 in; 5.715 cm x 25.4 cm x 14.605 cm