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 605
e same size asthe latter. When the three Blakes were inuse, it required 20 hours and 5 men to pro-duce the same result. The disadvantage ofboth the Gates and Comet crushers is theirenormous weight, and the consequent diffi-culty of transporting them, especially inmany mining regions in rough and… … The Comet crusher.
Mechanical engineering
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