Modern moulding and pattern-making : a practical treatise upon pattern-shop and foundry work, embracing the moulding of pulleys, spur gears, worm gears, balance-wheels, stationary-engine and locomotive cylinders, globe valves, tool work, mining machinery, screw-propellers, pattern-shop machinery, and the latest improvements in English and American cupolas ... (1907)
Mullin, Joseph P · New York : D. Van Nostrand · leaf 112
at E. When starting to mould this cylinder, first take the top section of the pattern of the cylinder and the valve-chest, and place it on a turn-over board, or some other level surface. Then put on the section of flask F, ram it up, and turn it over into the proper position, and make the parting… … Fig. 92a. on and rammed level with the top of the pattern, and the parting made at L. The cope flask may now be put on and rammed up. The method of casting the same cylinder vertically is shown at Fig. 93. In this case the end section of the pattern is first set in the lower section of the flask…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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