Sujet
The instrument panel for pneumatic signalling system, Pittsburgh Yards, Pennsylvania Railroad
Légende
Illustration depicting the instrument panel for pneumatic signalling system, Pittsburgh Yards, Pennsylvania Railroad. All movements were displayed electrically on the model of the track above the keyboard. Dated 19th century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A18_336
Licence
Droits gérés
Format disponible
60,0Mo (4,8Mo) / 47,9cm x 31,4cm / 5660 x 3705 (300dpi)