Stock Photo: Multiple suction pumps, powered by an overshot water wheel through a spur wheel and lantern, being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut

Stock Photo: 1746-1924 Multiple suction pumps, powered by an overshot water wheel through a spur wheel and lantern, being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556).  Woodcut