June 11, 1644: The Barometer Gets Its First Practical Airing

Evangelista Torricelli, a protege of Galileo, demonstrates his new invention. It will have a profound impact on the world of science.

Source: http://www.wired.com/thisdayintech/2012/06/june-11-1644-the-barometer-gets-its-first-practical-airing/

INSIGHT ENTERPRISES INGRAM MICRO INFORMATICA INFOCUS