Edison speaking telegraph, US Patent #203,013

Date Made: 1878

Maker: Edison, Thomas Alva

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.252619Catalog Number: 252619Accession Number: 49064Patent Number: 203013

Object Name: Speaking Telegraphtelephonetelephone componentOther Terms: Speaking Telegraph; Telephones; Transmitter

Measurements: overall:;overall: 3 3/8 in x 3 1/4 in; 8.5725 cm x 8.255 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a5-4866-704b-e053-15f76fa0b4fa

Record Id: nmah_703785

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