Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 172
Fig.193 … PATTERN MAKING. lOi less than with a planed joint. It is a much quickermethod, but whether it costs less in the end is aquestion, for sometimes a break joint in a wheel, andespecially a gear wheel, gives considerable trouble afterit has been running for a short time. The grain of theiron in large…
Patternmaking
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