Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 395
DREDGING AND DItEDGING-MACHINES. … W=P K1 is a mangle-wheel, which gives an alternate circular motion to the cams A, which are driven by apulley and shaft fl, which has a pinion on the lower end geering into the mangle-wheel. The pulleyf1 is driven by a belt from the upright D. £ is a friction-roll attached to a lever pt which…
Mechanical engineering
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