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

Date Made: 1868

Maker: Gray, Elisha

Location: Currently not on view

See more items in: Work and Industry: Electricity


Exhibition Location:

Data Source: National Museum of American History

Id Number: EM.308869Catalog Number: 308869Accession Number: 89797Patent Number: 76748

Object Name: Telegraph Apparatus

Measurements: overall: 2 in x 4 in x 6 in; 5.08 cm x 10.16 cm x 15.24 cm


Record Id: nmah_706283

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