Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 352
und by the barrel s, the truck t, and consequently the load suspended onthe chain, may be moved in the direction i or j, at the same time that the longitudinal nation is impart-ed to the whole platform by the roller {-. CRANES. 349 Fig. 1023 represents an elevation and fig. 1024 a plan of a… … Wft ScilK— 8 feet=l inch. This crane has been used for hoisting stone weighing from ten to fifteen thousand pounds, at theextremity of the arm, -which describes a circle of fifty feet diameter. It has also been used with an out-rigger, by which stones from three to five tons weight were hoisted ten…
Mechanical engineering · Mechanics · Engineering
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