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 481
re then extracted horizontallyand lifted out. The apparatusfor making the cores for thesecolumns is also so designed as topermit the construction of cores of variable lengths. A cast-iron plate A, Fig. 3168, is provided,with the two vertical boards BB secured in the required width apart by the… … MOULDING MACHINES, WOOD-WORKING. 461 strike-board F. To support the top of the boards, a clamp F, Fig. 3169 (which is an end view ofthe core apparatus), is employed. . Swept Patterns.—Fig. 3170 represents an apparatus for sweeping prismatic and circular patternsfor light work, constructed by Mr.…
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