Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 603
Kioiu ciu^lur. 576 ORE-CRUSHING MACHINES. … Fig. -Buchanan crusher. edge, and held together by a heavy wrought-iron band shrunk around them. The ironbeing softer than the steel, wears away more rapidly, causing the shoe and die in a shorttime to present a corrugated surface to the rock, and giving a better crushing effect. Tliesurfaces of…
Mechanical engineering
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