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 61
4(5 BiODERN MOULDING AND PATTERN-MAKING. est and best way to make such a wheel is often of more than usual importance, and to make a full pattern is entirely out of the question. From among the various ways of making such wheels I have selected the following, which I will try to illustrate. Fig. 26… … Fig. 27 shows a segment of the rim of the wheel, and a number of teeth attached. If the distance is not too great, it is well to make this segment long enough to take in two arms, as shown in Fig. 33. This, however, is not of much importance, as from fifteen to twenty teeth are generally a…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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