. A text book of elementary mechanics, for the use of colleges and schools. As the spring unwinds its force diminishes; but by meansof the fusee it is made to act on a continually increasinglever-arm, and by a proper adjustment the moment, orturning power of the force, can be kept Fig. 149.

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmechanics, bookyear18