Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 162
lmeet a when wound around the cylinder, thus making acontinuous thread. Tliis simple method is the one used for marking thethread on the pattern for a worm pinion, and which som.epattern makers regard as a very profound bit of wisdomthat should not be allowed to become too common by telling. The… … PATTERN- MAKING, g,;- without explanation, by referring to the cross lines whichare numbered. If a three or four-blade propeller is wanted, a patternfor one blade is all that is generally needed, in whichcase the moulder rams up one blade at a time, movingaround the pattern on a spindle. I have…
Patternmaking
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