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Scientific American, Vol. 24, No. 9 (February 1871) (1871)

leaf 4

An illustration from Scientific American, Vol. 24, No. 9 (February 1871), 1871, leaf 4
to overcome the .fric- the flame disappears, but the uninitiated spectator is startled downward to the amount of the entire column of water; but tion on the rollers. we already have a number of opposing upward forces, and Fig.28. when we look on the other side., and see the thirteen active weights,… … balanced by the downward pressure of a bulk of water equal to that displaced by the floats in the tank, therefore if Now, to ascertain the quantity of this load in any particu- any motion should take place at all, it would be in an oppo- lat machine, it must be stated that it is found by experiment…

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