Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 421
ry wear of long-continued use, and which isnot liable to derangement, by which work is delayed, and time lost,is a most desirable acquisition. From the testimony of many machinists in this city, and alsofrom an examination of the principle and construction of the appa-ratus named above, we believe… … Fig. 1 represents a complete Friction Clutch Pulley in workingposition upon a shaft. Fig. 2 represents the parts of the same; ais a pulley, the inside surface of the rim of which is turned. Thispulley revolves freely upon the shaft, and is kept in position onone side by the collar, B, and on the…
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