woter run pump
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Drawing of the ram pump that Tristan drew and built in Lost in Temptation--a view of the outside. This picture was scanned from a hand-colored engraving in an 1821 copy of the popular magazine Ackermann's Repository. The accompanying text included instructions on how to build a ram pump, calling it, "A simple Hydraulic Engine, which will raise Water to a very considerable elevation, without manual force or assistance." The ram pump was invented by a Frenchman, Joseph-Michel Montgolfier, in 1796.