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 274
recise lengths instead of cutting themoff, this core-box admits of contraction in length, in the manner of the type-mould, Fig. 804; and byplacing thin slips between the two halves it may be temporarily increased in width, but not in thick-ness. Fig. 814 is a similar core-box for a casting with… … Many works require core-boxes to be made expressly for them; thus the dotted line in Fig. S12shows an enlargement in the centre for coring a hole of that particular section. Figs. S15 and 816represent the two halves of a brass or lead core-box suitable to the stop-cock, Fig. 817; and Fig. 819shows…
Mechanical engineering · Mechanics · Engineering
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