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 99
RN MOULDING AND PATTERN-MAKING. to set the top section of the flask, fill it in, and ram it up, as shown in the engraving. The mould must then be turned over, and the cope flask W, Fig. 77, put on, filled in, rammed up, and lifted off again. The pattern can then be drawn from the sand as follows :… … ^|g. vtj.
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
