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 283
ut little required in brass-works ; namely, for lateral holes in the partsof the castings buried beneath the general surface of the mould, and which are explained by theFigs. 828 to 831. Thus, 828 represents the finished casting, 829 the model of the same, 830 the ap-pearance of the bottom flask or… … The core-print a would deliver from the sand, and leave the cavity at a, Fig. 830, to be afterwardsfilled by the core shown in Fig. 831, the same as formerly explained at Fig. 811. But the core-printb, Fig. 829, (which has reference to the stud b, Fig. 831,) would tear away the sand above it in…
Mechanical engineering
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