
Title
Edison generator for electric light at Menlo Park
Caption
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
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07104_460001340
License type
Rights managed
Available size
24,8Mb (2,4Mb) / 8,2in x 11,8in / 2445 x 3543 (300dpi)