l in ing from an ordinary its effects. But it is nozzle spouted bucket. It can also be taken out very remarkable that the intensity of this entirely at any time to clean and air. The force changes with the nature of the liquid con- waste receptacle is an sidered. We ascertain ordinary pail which… … There is, therefore, no need eentury. They have been at- Fig. 2. of invoking the existence of a tributed now to electricity, repulsive force of unknown and now to simple mechanical nature, for we know that phenomena of recoil, produc- phor, C. there isfan attractive force ed by the disengagement of…
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