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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)

Johnson, Frank G., 1835- · Chicago, A.H. Andrews · leaf 129

An illustration from 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, leaf 129
erneath which is a circulartrough, TT, to receive thedischarged water; and aboveis a grooved pulley to con-nect with the power. 0 PER ATiON.—Having firstfilled the tubes with water,if the pump be started byrotating the arms, LL, thewater contained in these willbe thrown out by centrifugalforce, and… … 171. Figure 16.—Archimedes screW.—Wind a pipe spi-rally around an inclined cylinder, provided with bearings and a crank,H ; the lower end being immersed in a reservoir, so the end of the pipewill dip into the water. In the figure there are two pipes, but theprinciple is the same. Operation.—Suppose…

Physics · Astronomy

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