Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 284
s 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 circular CASTING AND FOUNDING. 277 hole requires the core-print shown at c, Fig. 829 ; the cores themselves are made in the core-boxes,812 and 813, before explained. Fig.… … upon the line z. 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 pat-tern and core-print measured together. The core would be deposited edgewise into the…
Mechanical engineering
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