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 52
s undertaking. In Hoods machine, the saw is suspended by a slight sledge, and is worked by the power of only twoor three men at the end of a lever; a bar, called a propeller, is fi.xed on the lever between the fulcrumand the saw, the other end resting on the surface of the ice, and so adjusted that… … Fig. 2293 gives a side elevation of the machine, a n n is a sledge, of open frame-work, resting on thesurface of the ice; b a transverse bar passing through the lever c c, and forming the fulcrum on whichit moves; this lever has a cross-handle, as represented in perspective in dotted lines; e a…
Mechanical engineering · Mechanics · Engineering
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