Patent model, Gray induction telegraph, US Patent #76,748

Patent model, Gray induction telegraph, US Patent #76,748

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Location
Currently not on view
Object Name
Telegraph Apparatus
Date made
1868
maker
Gray, Elisha
Measurements
overall: 2 in x 4 in x 6 in; 5.08 cm x 10.16 cm x 15.24 cm
ID Number
EM.308869
catalog number
308869
accession number
89797
patent number
76748
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Work and Industry: Electricity
Data Source
National Museum of American History
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