Blake first commercial telephone transmitter, patent #250,126 through 250,129

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.252612Catalog Number: 252612Accession Number: 49064

Object Name: Telephone Transmitter, Blaketelephone transmitterOther Terms: Telephone Transmitter, Blake; Telephones; Transmitter; Carbon

Measurements: overall: 5 in x 10 in; x 12.7 cm x 25.4 cmoverall: 4 1/2 in x 5 1/4 in x 9 3/4 in; 11.43 cm x 13.335 cm x 24.765 cm


Record Id: nmah_703719

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