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 281
ting at the angle d, Fig. 834; or thirdly, by having a looseslip on the pattern sliding on the line c, Fig. 834, so as to be drawn off when the top A had been lifted 278 CASTING AND FOUNDING. This last method is analogous to that represented in Fig. S36, also intended for a sliding-rest, and… … The lowest piece C, or the drag, is parted upon the line 11, but its sand extends upwards betweenthe two sides of the pattern, as shown by the shade lines. The middle piece B is parted tlirough theline 2 2; and lastly A, the top, is filled up level, the runner-stick at r being inserted at the time;…
Mechanical engineering · Mechanics · Engineering
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