Edison speaking telephone, US Patent #203,015
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Object Details
- Edison, Thomas Alva
- Location
- Currently not on view
- 1878
- ID Number
- EM.252620
- catalog number
- 252620
- accession number
- 49064
- patent number
- 203015
- Object Name
- Telephone
- experimental telephone
- Other Terms
- Telephone; Telephones
- Measurements
- overall: 3 1/4 in x 3 in x 5 in; 8.255 cm x 7.62 cm x 12.7 cm
- See more items in
- Work and Industry: Electricity
- National Museum of American History
- Record ID
- nmah_703422
- Metadata Usage (text)
- CC0
- GUID (Link to Original Record)
- http://n2t.net/ark:/65665/ng49ca746ab-72d1-704b-e053-15f76fa0b4fa
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