Is it a surprise that into the vessel, in which the mercury has no inclination and no repugnance, not even the slightest, to being there, it should enter and should rise in a column high enough to make equilibrium with the weight of the external air which forces it up?

		Name: Evangelista Torricelli Type: Scientist Nationality: Italian Birth: October 15, 1608 Death: October 25, 1647