Gray Harmonic Telegraph Receiver-Relay
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
label: See more items in
content: Communications
creditLine: label: Credit Line
content: from Oberlin College, Dept. of Physics, thru David L. Anderson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324110
label: catalog number
content: 324110
label: collector/donor number
content: 114-1-G-1
label: accession number
content: 253039
objectType: label: Object Name
content: harmonic transmitter
label: Object Name
content: telegraph transmitter
label: Object Name
content: telegraph receiver
label: Object Name
content: telegraph relay
label: Object Name
content: harmonic telegraph
label: Object Name
content: telegraph
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 13 in x 6 in; 8.89 cm x 33.02 cm x 15.24 cm