Sujet
Diagram of Cooke and Wheatstone's five-needle telegraph
Légende
Diagram of Cooke and Wheatstone's five-needle telegraph. Patented 1837, installed 1839. Engraving
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07103_460000446
Licence
Droits gérés
Format disponible
22.1Mo (827.6Ko) / 18.4cm x 30.0cm / 2179 x 3543 (300dpi)