Vacuum pump Wikipedia
History Early pumps. The predecessor to the vacuum pump was the suction pump. Dualaction suction pumps were found in the city of Pompeii. Arabic engineer AlJazari later described dualaction suction pumps as part of waterraising machines in the 13th century. He also said that a suction pump was used in siphons to discharge Greek fire. The suction pump later appeared in medieval Europe .