Patent model for Edison speaking telephone, US Patent #208299

There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.

View manifest View in Mirador Viewer

Object Details

maker

Edison, Thomas Alva

Description (Brief)

Second of two models to accompany the application for US Patent #208299, "Speaking Telephone," issued 24 September 1878 to Thomas A. Edison. One instrument mounted horizontally on a wooden base, with brass diaphragm and double contacts outside.

Location

Currently not on view

Date made

1877

ID Number

EM.252622.2

catalog number

252622.2

accession number

49064

patent number

208299

Object Name

Telephone Set

Other Terms

Telephone Set; Telephones

Measurements

overall: 4 in x 7 1/2 in x 5 in; 10.16 cm x 19.05 cm x 12.7 cm

See more items in

Work and Industry: Electricity

Data Source

National Museum of American History

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746ab-748c-704b-e053-15f76fa0b4fa

Record ID

nmah_703496