Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 294
nstruction could not raise a column of water higherthan the pressure of the atmosphere would force itup, which would be about thirty feet. Mr. Appolds Centrifugal Pump, which consti- 278 GREAT FACTS. tuted one of the most remarkable features of theMachinery Department of the Great Exhibition,… … two or more exposed arms, they are enclosed withindiscs of metal, about one foot in diameter, and threeor four inches apart. The arms are formed by curvedpartitions between the discs, which radiate from thecentre to the outer rim, towards which the space be- CENTRIFUGAL PUMPS. 279 tween the discs…
Inventions
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