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 441
a skip of the design shown in Fig. 3068 is frequently selected. It is fitted with wheels to run onguides and a door for discharging. Safety-Cage.—Fig. 3069 shows the style of safety-cage most generally adopted, a a are safety-catches, which are held in position by the weight of the cage, but…
Mechanical engineering -- Dictionaries
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