Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 299
286 LEATHER-WORKING TOOLS— CURRYING. Another and better form of roller is shown in Fig. 2165. This has the advantage of not rollingthe leather on a curved bed, and therefore does not tend to buckle the side.Instead of bcinp; rolled, hides are sometimes hammered.Whitening, Buffing, and Skiving… … and is very simple in construction. The leather is acted upon by a cylinder which contains 32knives or blades, inserted Bpirally. A Bharpener is provided, which travels forward and backwardacross the edges of the blades. The cylinder revolves 2,780 times per minute, and the pendulum
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