
Sujet
Transatlantic telegraph
Légende
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
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001313
Licence
Droits gérés
Format disponible
28,9Mo (1,7Mo) / 30,0cm x 24,2cm / 3543 x 2855 (300dpi)