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 143
120 MODERN MOULDING AND PATTERN-MAKING. through A, showing the feed-gates and other parts of the mould, while Fig. 126 represents a plan of the pouring-basin. As will be seen by the engraving, the greater part of the mould is made in a pit; so that the first step is to make a hole in the floor the… … Fig. 125. the bottom of the pit, the pattern is set in position ; and then the first section of the flask is put on, filled in, and moulded up to A, where a parting is made. Each section of the flask is thus put on, filled in, and moulded up separately, until we come up to ^. The sections are then…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
