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Apr 4, 1564
Galileo (1564-1641)
Developed suction cup -
Otto von Guericke (1602-1686)
made a pump strong enough a team of 16 horses could not pull to metal heispheres apart -
Evangelista (1608-1647)
develpoed first barometer -
Blaise Pascal (1623-1662)
descovered pressure increases closer to sea level -
Christiaan Huygens (1629-1695)
developed the manometer -
John Dalton (1766-1844)
desovered partial pressure -
Joseph Gay-Lussac (1776-1856)
observer the law of combining volumes -
Amadeo Avogadro (1776-1856)
descovered 6.02 x 10^23