Sujet
Sinking an exploratory bore hole using shearlegs
Légende
Sinking an exploratory bore hole using shearlegs, and a lever to work the borer. From "The Popular Encyclopaedia" (London, 1862). Engraving. Mining. Metal. Boring.
Date
1862
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07112_009909P
Licence
Droits gérés
Format disponible
22,5Mo (2,2Mo) / 30,0cm x 18,8cm / 3543 x 2216 (300dpi)