Sujet
Morse electric printing telegraph
Légende
Morse electric printing telegraph. Rear view of instrument showing roll of paper for recording messages and the transmitting key at C. D are wet cells (batteries) providing electricity Chromolithograph c1882
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001304
Licence
Droits gérés
Format disponible
27,3Mo (1,8Mo) / 30,0cm x 22,8cm / 3543 x 2693 (300dpi)