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"A centrifugal pump differing from an ordinary centrifugal pumps in one feature only. The water rises through a suction pipe S, which divides so as to enter the pump wheel at the center on each side. The pump disk or wheel is very similar to a turbine wheel. it is keyed on a shaft driven by a belt on a fast and loose pulley arrangement at P. The water rotating in the pump disk presses outwards, and if the speed is sufficient a continuous flow is maintained through the pump and into the discharge pipe D. The special feature in this pump is that the water, discharged by the pump disk with a whirling velocity of not inconsiderable magnitude, is allowed to continue rotation in a chamber somewhat larger than the pump. The use of this whirlpool chamber was first suggested by Professor James Thomson." — Encyclopedia Britannica, 1893

Centrifugal Pump

"A centrifugal pump differing from an ordinary centrifugal pumps in one feature only. The water rises…

"The sectional form of the guideblade chamber and the wheel and the curves of the wheel vanes and guideblades, when drawn on a plane development of the cylindrical section of the wheel; a, a, a are the sluices for cutting off the water; b, b, are apertures by which the entrance of exit of air is facilitated as the buckets empty and fill." — Encyclopedia Britannica, 1893

Guideblade Chamber

"The sectional form of the guideblade chamber and the wheel and the curves of the wheel vanes and guideblades,…

"The sectional form of the guideblade chamber and the wheel and the curves of the wheel vanes and guideblades, when drawn on a plane development of the cylindrical section of the wheel; a, a, a are the sluices for cutting off the water; b, b, are apertures by which the entrance of exit of air is facilitated as the buckets empty and fill." — Encyclopedia Britannica, 1893

Guideblade Chamber

"The sectional form of the guideblade chamber and the wheel and the curves of the wheel vanes and guideblades,…