Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
he chain ofpots and the ordinary lifting and suction pump ; hence, in connectionwith the history of hydi-aulic devices, the place and date of its originare matters of considerable interest. In their various forms, the Persian wheel, the chain of pots, and thechain pump, are now, as they ever have… … attached, in an inclined position, to a vertical axis, W, and whirledaround by the crank, or by a pulley, H. As the motion begins, the water, by centrifugal force, is thrown intothe tube (as indicated by the arrow), and out of its mouth, as shown.In the figure the vertical axis is a box, open at…
Physics · Astronomy
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