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 117
st be the full width of tlie valve-chest, by half the depth. For instance, if the inside of the valve-chest is 12'' by 26", the box must be made 6" deep and 26" wide. Now, it sometimes hap- pens that the centre of the valve-chest is not level with the centre line of the cylinder; and in such cases… … Fig. 97. A good way to make the box shown in the figure is as follows. First, get out the lumber for the sides, ends, and bottom, and plane it smooth and true on one side and one edge. When this has been done, the sides may be gauged to the proper width, and then checked and screwed together, as…
Founding · Patternmaking
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