Sujet

Bell Telephone Company

Légende

Bell Telephone Company, America. Top left: Winding and inspecting coils. Top right: Experimental deparment. Centre right: First Bell telephone and First Boston telephone exchange with 5 lines (1877). Centre: Inspecting department. Centre right: Hand telephone department. Bottom left: Boston telephone exchange, 1884. Bottom right: Assembling transmitters. Engraving from "Scientific American" (New York, 20 September 1884).

Info+

Photos12.com - Ann Ronan Picture Library

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP07114_010796P

Licence

Droits gérés

Format disponible

28,1Mo (3,8Mo) / 23,5cm x 30,0cm / 2777 x 3543 (300dpi)