Draining mine workings by means of a battery of
Draining mine workings by means of a battery of three pumps. The axle, B, is powered by an overshot water wheel. The cams on the axle raise and lower the piston rods by means of tappets. C is the bottom of the pipe which is encased in the basket, D. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Picture No
13901191
Media ID
48387892
Size
3500px x 5877px
(5.3MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























