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 274
apted. The moulding-sand cannot, however, be used without external support, and which is given by shal-low iron frames, without tops or bottoms, called flasks, represented in Figs. 807 and 808. The bottompart, 4, 5, is supposed to have been rammed full of sand, and to stand upon a flat board, 6.… … The top part of the flask 2, 3, is shown still empty, and in the act of being attached to 4, 5 by itspins, which enter corresponding holes in the latter, easily but without shake: 2, 3 is also rammed fullof sand, and covered with a top board, 1, not represented to avoid confusion. The mould is…
Mechanical engineering
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