Part

 1 I  |    levers; a toothed-wheel, for instance as a series of levers, the
 2 I  |      adjacent pinion. Take, for instance, the crabwinch. Suppose
 3 I  |       perceptible fall, as, for instance, on the Rhine. In the immediate
 4 I  |   falling water, afford another instance of the action of velocity.
 5 II |      the case of gases.~If, for instance, I discharge a firearm loaded
 6 II |        take, as the most simple instance, atmospheric air. An apparatus
 7 II |        a chemical process - for instance, in burning a pound of pure
 8 II | friction. This is the case, for instance, when we produce fire by
 9 II |   motions of the planets are an instance of this. This is apparently
10 III|       electrical telegraph, for instance. [Fig. 103] represents a