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 636
hooks on to the set-shaft. G G are handles attached to a rodwhich has a cam on it. By turning the handles up, the r.ack is raised out of geer and stops the carriagewhile the operator supplies another bolt or block of wood. The set-shaft has a dog on each end, placedat right angles so as not to set… … SHOT. The iisual method of making lead shot, is by letting melted lead, with a sniaU alloy of ar-senic, fall through the air from a considerable elevation, and thus the leaden rain becomes cold, andsolidified into leaden hail or shot. To carry out this process, high shot towers are erected ; at the…
Mechanical engineering · Mechanics · Engineering
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