Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 79
it will pay to build a full circle and turn it. Aftercutting it in halves, take one and screw on three pieces,R, 5, T. To R and 5 screw on two other pieces, U andVy for the guides. When the core is being made, thescrews shown are taken out, thus leaving £/and F behindto be drawn out separately.… … Tifj.OS. SPUR GEARS. -- ---Tf^- PATTERN MAKING. 45 SPUR GEARS. AND HOW THE TEETH SHOULD BE MADE. There are so many ways of making gear patterns thatit would be extraordinary to show some new way. Thequestion is, which is the best way to make a gear patternthat will stand a reasonable amount of…
Patternmaking
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