Gray harmonic telegraph receiver

Gray harmonic telegraph receiver

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Location
Currently not on view
Object Name
Telegraph
harmonic telegraph
telegraph receiver
Other Terms
Telegraph; Telegraphy; Communications
Date made
1876
maker
Gray, Elisha
Measurements
overall: 3 1/4 in x 13 in x 5 3/4 in; 8.255 cm x 33.02 cm x 14.605 cm
ID Number
EM.252626
catalog number
252626
accession number
49064
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Work and Industry: Electricity
Data Source
National Museum of American History
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