Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 57
es areconstructed in a variety of ways by different pattern makers; butfor small patterns it is necessary to use only a plain board { inch to\\ inches thick, of a slightly greater diameter than the requiredpattern, and screwed fast to the iron faceplate, as shown in Fig- 88.To this, after being… … Fig. SS. Construction of Small Fac( the board should be stiffened by means of a wide wooden bar firmlyscrewed across the back, as in Fig. 89. \Mien needed for very large or heavy work, the chuck, in orderto pre\ent vibration, must be strong in proportion. It is best made as illustrated in -Pig. 90,…
Patternmaking
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