Sujet
Edison generator for electric light at Menlo Park
Légende
Edison generator for electric light at Menlo Park. Behind doors is the 80 hp engine. The two vignettes (top) are Edison's improved form of JW Trowbridge's electric dynamometer and Thomson's mirror galvanometer. "Scientific American" New York 1879
Date
1879
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001340
Licence
Droits gérés
Format disponible
24,8Mo (2,4Mo) / 20,7cm x 30,0cm / 2445 x 3543 (300dpi)