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 (1885)
Mullin, Joseph P · New York : D. Van Nostrand · leaf 124
106 MODERN MOULDING AND PATTERN-MAKING. centre or lifting-bar K is made fast to the plate and the side wings L are held in position by the hinged arms M. The side wings L should be about 1^' thick, and any con^venient width. When the brick core has been made, and coated with loam, as shown at Fig.… … Figs. 108 and 109. the fire is taken out of the bottom of the mould, the core is set in position, and the mould closed. Now, when the cylinder has been cast, and the metal just set, the side wings L may be drawn out of the brickwork of the core up into the position indicated by the dotted lines,…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
