Patent model, Parsons, Shaw and Daniels mechanical telephone, US Patent #207,436
Patent model, Parsons, Shaw and Daniels mechanical telephone, US Patent #207,436
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- Location
- Currently not on view
- Object Name
- Telephone
- mechanical telephone
- Date made
- 1878
- maker
- Parsons, Schuyler S.
- Shaw, Francis R.
- Daniels, George N.
- Measurements
- overall: 8 1/2 in x 5 5/8 in x 11 in; 21.59 cm x 14.2875 cm x 27.94 cm
- ID Number
- EM.308609
- catalog number
- 308609
- accession number
- 89797
- patent number
- 207436
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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