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)