Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)
Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 86
-rig -^3 AND FOUNDRY PRACTICE 81 their adjustment to one another to require onlya light blow to drive them home. (See Fig. 44.)Lastly finish up the spokes as desired and coatwith black shellac varnish. The making of cog or gear wheels is one ofthe most important features of the pattern … makers trade, and although a drawing or blueprint is usually provided in repair shops, the oldcog wheel itself is sometimes given as a guide.A brief review of the principles of gear work andthe technical terms employed by mechanics inrelation to it will serve the purpose of this vol-ume, inasmuch…
Patternmaking · Founding
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