Draining a mine using a duplex suction pump. (Basle
Draining a mine using a duplex suction pump. The box ABCD, shown in detail on the right, contained the crank which operated the piston. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Picture No
13901193
Media ID
48445276
Size
1884px x 3168px
(1.5MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























