Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 15
agitation of dust by belting and shafting keeps it in con-stant circulation, so that it penetrates everywhere andeverything. Crocker : .[J. F. I., (7) Health of Employes.—On account of advantages in re-gard to light and air and the reduction in dust and dirt, it isfound by actual experience that… … Fig. 2.—Electric motor geared lo punching press. ^1 Government Printing Office in Washington, one of thelargest in the world, it was found that the sick list wasdecreased 20 to 40 per cent, after electric motors wereintroduced. Jan., 1901.] Electric Distribution of Power. (8) Convenience for…
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