Draining mine workings with a bank of three suction
Draining mine workings with a bank of three suction pumps. As the men turn the shaft the cams, B, connect with tappets. A, on the piston rods, C. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Picture No
13901200
Media ID
48445279
Size
1986px x 3312px
(1.5MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























