invented in 1640 Evangelista Torricelli http://inventors.about.com/od/tstartinventors/a... Evangelista Torricelli - The History of the Barometer Evangelista Torricelli invented in 1640 The History of the Barometer Evangelista Torricelli http://inventors.about.com/od/tstartinventors/a... The History of the Barometer Evangelista Torricelli barometer http://inventors.about.com/od/tstartinventors/a... Evangelista Torricelli - The History of the Barometer