Sujet
Morse electric printing telegraph
Légende
Morse electric printing telegraph. Front view of instrument showing roll of paper for recording messages and the transmitting key at A. D are wet cells (batteries) providing electricity. Chromolithograph c1882
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001303
Licence
Droits gérés
Format disponible
25,6Mo (957,5Ko) / 30,0cm x 21,4cm / 3543 x 2525 (300dpi)