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 443
are immediately erected. If, however, as is more common, nothing of sufficient value towarrant the introduction of heavy and expensive machinery has been revealed, the simplest form ofhoist i3 adopted. It may consist of a vertical link-motion engine, connected to a drum for roundrope by a set of… … MINE APPLIANCES. 425 steam is used, and advantage is taken of its expansive properties by a suitable cut-off. A muchhigher duty is secured by following the modern practice of working two engines, with their cranksset at right angles, through one crank-shaft. For light loads and depths not to exceed…
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