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 964
slide D; E, the end of the mainbar, which forms the stationary j.aw of thewrench; F, the handle. The nut is made tomove freely in tlie strap C, and, by turning it tothe right or left, the slide D is moved to any desired point on the main bar. The principal advantages possessed by this wrench are,… … ZINC, coyiiposition and use of. Zinc or Spelter has a crystalline texture, is brittle at ordinary tem-peratures, and of a bluish-white color: at 300^, it is both malleable and ductile, and at a white heatit is converted into vapor. When pure zinc is exposed to air and moisture, it acquires a dull…
Mechanical engineering · Mechanics · Engineering
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