...half the pressure on au equal surface at the bottom XR ; which pressure (by Prop I. and III ) is equal to the weight of a column of water whose base is the surface ZC^, and whose height is the depth of the stream. Therefore the pressure against the surface...

...contraction, by requiring an augmentation of velocity, employs a part of the impelling force precisely equal to the weight of a column of water whose base is the contracted passage, and whose height is the fall which would produce a velocity equal to this augmentation....

...same time. PROP. 4. — The force oj a stream of watir against any plane obstacle at rest, is equal to the weight of a column of water, whose base is the section of the stream ; and height the space destended through by a falling body, to acquire that velocity....

...the fluid against the plane. 2s Cor. \ . The force of a stream of water against any plane, is eyual to the weight of a column of water, whose base is the section of the stream, and height !!£. ; or the height of the water, if it flow 2s through a hole...

...object in the absence of any horizontal motion ! Nor is it hydrostatic pressure, which pressure is equal to the weight of a column of water whose base is the surface pressed, &c.; this pressure is that sustained by dock gates with a head of water on one side...

...smaller, or larger, than the cylinder GH, the body of water supported by the workman is always equal to the weight of a column of water whose base is the surface of the piston Б, and depth the distance £ F above the surface of) the water In the well....

...suction-pump, and, exclusive of the weight of the piston and its rods and the effects of friction, it is equal to the weight of a column of water whose base is the section of the piston, and whose height is the distance of the level of the water in the barrel AC...

...suction-pump, and, exclusive of the weight of the piston and its rods, and the effects of friction, it is equal to the weight of a column of water whose base is the section of the piston, and whose height is the distance of the level of the water in the barrel AC,...

...inches in 12 feet length. The resistance which is opposed to a pump rod in raising water, is ~equal to the weight of a column of water whose base is the area of the piston, and height the height of the surface of the water in the body of the pump above...

...suction-pump, and exclusive of the weight of the piston and its rods, and the effects of friction, it is equal to the weight of a column of water whose base is the section of the piston, and whose height is the distance of the level of the water in the barrel AC,...