Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 116
tion withouti._^-i- tilting while the metal isFig. 167. being x>oured into the mould. The 12-inch hand wheel, Fig. 167, with five arms and a roundrim linished to 1| inches in diameter, will also serve as a good illus-tration of pattern construction. On the rim of the pattern, -/« inchover all… … 95 88 PATTERN MAKING The rims of such X3iitt<-rus arc usually turned in two halves.A wooden chuck, in this case a plain board 12| inches in diameter,and § inch to 1^ inches in thickness, is screwed to the iron face-plateof the lathe, and turned true on the face and on the edge to 12^: inchesin…
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