Sujet
Depth sounding machine
Légende
depth sounding machine developed in 1802 by Edward Massey; On striking the sea floor; the rotor would lock. Massey’s sounding machine could then be hauled in and the depth could be read off the dials in fathoms. By 1811; the Royal Navy had purchased 1; 750 of these devices: one for every ship in commission during the Napoleonic Wars. Depth sounding refers to the act of measuring depth.
Date
1802
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP17A26_180
Licence
Droits gérés
Format disponible
60,0Mo (1,8Mo) / 34,6cm x 43,5cm / 4084 x 5135 (300dpi)