Patent model, Garner heliotrope, US Patent #216,565

Patent model, Garner heliotrope, US Patent #216,565

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Location
Currently not on view
Object Name
Heliotrope
heliotrope
optical telegraph
Date made
1879
maker
Garner, John W.
Measurements
folded: 21 1/2 in x 9 in x 5 in; 54.61 cm x 22.86 cm x 12.7 cm
ID Number
EM.308892
catalog number
308892
accession number
89797
patent number
216565
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Work and Industry: Electricity
Data Source
National Museum of American History
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