. Chambers's encyclopedia; a dictionary of universal knowledge for the people. Norwoods Perpetual Motion. mercury in the large vessel immensely exceeds thatin the neck, it wdll preponderate, and drive theliquid through the spout into the vessel again;thereby furnishing, not only an admirable perpetualmotion, but a conclusive disproof of one of thefundamental laws of Hydrostatics. The second of Wilkinss cases is an instructive depends on magnetism, and will be readily under-stood from the cut. AB is a loadstone, whichdraws the iron ball C up the inclined plane to E,where there is a hole
. Chambers's encyclopedia; a dictionary of universal knowledge for the people. Norwoods Perpetual Motion. mercury in the large vessel immensely exceeds thatin the neck, it wdll preponderate, and drive theliquid through the spout into the vessel again;thereby furnishing, not only an admirable perpetualmotion, but a conclusive disproof of one of thefundamental laws of Hydrostatics. The second of Wilkinss cases is an instructive depends on magnetism, and will be readily under-stood from the cut. AB is a loadstone, whichdraws the iron ball C up the inclined plane to E,where there is a hole through which the bal? %llsdown the curved incline, pushes o])en a trap at F,and is dragged again up the plane by the error of this is the neglect of the action of theloadstone on the falling ball. There would be ana<linii-able case of the perjjetual motion if we could411. Bishop Wilkinss Second Form. same as that of gravitation, and what is impossiblewith the one, must be equally so with the good illustration of this is Addeleys PerpetualMotion, represented in the annexed sketch. Thespokes projecting from the wheel are magnets,whose south poles are all turned from the are attracted by the north poles (N), and
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