Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 67
his is then coveredwith the cylinder—e, f—thus tightening the grip and increasing the frictionwhich allows of only a slow drop when one hangs on the screw. Ms CAFol ii2rb We should also note the designs of several types of waterwheels overshot and undershot and also a diagrammatic sketch of… … 1^ •^ i-n -m* 4«t *7 ■*^«.h--.^:
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