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World Pumps 50 Years - Plad
plad.com2000 BC Egyptians invent the shadoof 200 BC Ctesibius invents the reciprocating pump; Archimedean screw pump described (but not invented) by Archimedes 1580 Sliding vane pump invented by Ramelli; Serviere invents the gear pump 1650 Otto van Guericke invents his piston vacuum pump