...with which the plate mn is pressed down is the weight of a'columnof water equal to emnf, together with the weight of a column of air of the same base, reaching to the top of the atmosphere ; and the •whole force with which it is pressed up is the weight of an equal...

...mercury is to that of the other fluid. cylindrical tubes of equal diameters : their weights being equal to the weight of a column of air of the same base will be equal. Hence (13) S oc -— ; and the base being the same, M oc the length ; .'. the altitude...

...equal to 2.528 ounces. By theory it should be 1•7904 ounces ; so that the resistance is really equal to the weight of a column of air of the same base, and a height equal to 1•41 times that required by theory. With a velocity of 10 feet per second,...

...which the plate mn is pressed down, is the weight of a column of water equal to с m nf, together with the weight of a column of air of the same base, reaching to the top of the atmosphere; and the whole force with which it is pressed up, is the weight of an equal column...

...fluid within the tube, until the weight of this raised column of water equipoises the preponderance. If we entirely exhaust the air in the interior of the...this important law. On trying to raise water above 32 feet in a suction-pipe they found, to their great surprise, that the fluid would not rise beyond...

...exhibitors, pointing out the particular merits of their I. B column of water equipoises the preponderance. If we entirely exhaust the air in the interior of the...this important law. On trying to raise water above 32 feet in a suction-pipe they found, to their great surprise, that the fluid would not rise beyond...