Edison speaking telephone, US Patent #203,018

Date Made: 1878

Maker: Edison, Thomas Alva

Location: Currently not on view

See more items in: Work and Industry: Electricity

Exhibition:

Exhibition Location:

Data Source: National Museum of American History

Id Number: EM.252621Catalog Number: 252621Accession Number: 49064

Object Name: Telephoneexperimental telephone

Measurements: overall: 4 1/4 in x 5 1/4 in x 6 1/8 in x 5 1/8 in; 10.795 cm x 13.335 cm x 15.5575 cm x 13.0175 cm

Guid: http://n2t.net/ark:/65665/ng49ca746ab-72d2-704b-e053-15f76fa0b4fa

Record Id: nmah_1272010

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