Sujet
Crushing gold bearing ores in mills similar in principle to flour mills
Légende
Crushing gold bearing ores in mills similar in principle to flour mills. Bottom left goats in treadmill; horizontal power transferred to mill, A, through crown-and-pinion. Bottom right men turn capstan and power transferred through tooth-and-pinion. From Agricola 'De re metallica' Basle 1556. Woodcut.
Date
1556
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP15A00_332
Licence
Droits gérés
Format disponible
34,5Mo (3,8Mo) / 22,7cm x 38,1cm / 2678 x 4500 (300dpi)