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 280
the core precisely where denoted bythe print d. which latter has a mark to show to the moulder where the core is to end. The circulai CASTING AND FOUNDING. 277 hole requires the core-print shown at c, Fig. S29 ; the cores themselves are made in the core-boxes,S12 ancl 813, before explained. Fig.… … upon the line x. The prints for the four holes a a, would be placed in the top flask, and those for thegreat apertures or panels d, would be made in a core-box of the express form, and as thick as the cat-tern and core-print measured together. The core would be deposited edgewise into the…
Mechanical engineering · Mechanics · Engineering
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