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 125
104 MODEEN MOULDING AND PATTEEN-MAKING. set the spindle-step A, Fig. 106, get a sufficient number of stands, such as are shown at B, and set them quite solid and level in the bottom of the mould. Upon these place the strong cast-iron plate C. The outside diameter of this plate should be equal to… … Fig. 106. brick wall required for the mould, and the hole in the centre about 6" or 8'' smaller than the inside diameter of the cylinder. The inside edge should have an angle of about 45°, as shown at D. Having thus prepared a good solid foundation for the brick wall, the spindle is set plumb, and…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
