Title
Transatlantic telegraph
Caption
Transatlantic telegraph. William Thomson's (Lord Kelvin 1824-1907) receiving apparatus used at Brest, including his mirror galvanometer (left), an instrument for measuring small electric currents Wood engraving 1877
Date
1877
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07104_460001313
License type
Rights managed
Available size
28,9Mb (1,7Mb) / 11,8in x 9,5in / 3543 x 2855 (300dpi)