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 276
and Figure Casting.—Supposing that an ornament, represented in section in Fig. 824,has been modelled in relief, either in clay or wax upon a flat board, from which a thin casting in brassis wanted without the tablet, the process is called reversing, and is to be accomplished in any of threeways. *… … CASTING AND FOUNDING. 273 First, an empty flask is placed upon the board, 824, and rammed full of sand; it assumes theappearance of 825; the second part of the flask is attached to 825, and filled to make the part 826,which is called the back-mould; some elay is then rolled outto the intended…
Mechanical engineering · Mechanics · Engineering
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