Historical Development of Pressure

  • Galileo Galilei

    Galileo Galilei
    February 15 1564-January 8 1642
    he was 78 when he passed away
    http://en.wikipedia.org/wiki/Galileo_Galilei
    he made a machine to pump water from a river for the irrigation of land. The pump was a syringe, Galileo found that 10 meters was the limit the water would rise in the suction pump, but had no explanation for this.
    he made this in 1594
    he was going blind closer to his death but continued to write.
  • Torricelli

    Torricelli
    Evangelista Torricelli
    15 October 1608-25 October 1647 (aged 39)
    he was the first scientist to discover the workings of a barometer and made it by putting murcury into a tube and he realised that the atmospheric pressure affected the pressure of the tube and affecting the murcury.
    http://inventors.about.com/od/tstartinventors/a/Barometer.htm
  • Pascal

    Pascal
    Blaise Pascal
    19 June 1623-19 August 1662 (aged 39)
    he created the hydraulic press
    he had an intense religious vision and wrote it down and carried it with him everywhere
  • Von Guericke

    Von Guericke
    Otto von Guericke
    November 20, 1602-May 11, 1686 (aged 83)
    he created vaccums and did demontrations on air pressure. he made a vaccum with a piston and flaps he also demonstrated with 2 copper balls
  • Huygens

    Huygens
    Christiaan Huygens
    April 14, 1629-July 8, 1695 (aged 66)
    created the engine using gun powder to lift the pistons
  • Dalton

    Dalton
    John Dalton
    6 September 1766-27 July 1844 (aged 77)
    he was color blind
    In 1803 he revealed the concept of Dalton’s Law of Partial Pressures
  • Avogadro

    Avogadro
    Amedeo Avogadro
    9 August 1776-9 July 1856 (aged 79)
    equal volumes of gases at the same temperature and pressure contain the same number of molecules regardless of their chemical nature and physical properties