Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 365
326 Civil and Mechanical Engineering. Y\i … One of the simplest methods of increasing the efficiency of anybelt or cord is with pulleys of given dimensions, to cause it to em-brace a greater portion of their circumference, which increases pro-portionally its adhesion as well as its driving power. The followingshows one method of doing this…
Science · Technology · Meteorology · Patents
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