Sujet
Caselli's pantelegraph
Légende
Caselli's pantelegraph: At the sending station the dispatch was written or drawn on sheet of metallized paper in thick insulating ink and placed on curved plate. At receiving station, sheet of paper impregnated with potassium ferrocyanide placed in plate
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07103_460000374
Licence
Droits gérés
Format disponible
28,6Mo (1,4Mo) / 30,0cm x 23,9cm / 3543 x 2821 (300dpi)