Early Model Telephone

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An instrument that converts voice and other sound signals into a form that can be transmitted to remote locations and that receives and reconverts waves into sound signals.

Keywords

telephone, phone, artifact, telephone set, instrumentality, instrumentation, artefact, electronic equipment

Galleries

Telephone and Telegraph Industry

Source

Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)

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