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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 117

An illustration from 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, leaf 117
7Vy ©s hinges were made, leaving the pivot holes tobe drilled after the casting was completed.Then into a suitable drag box or the foundryfloor a stake was driven to such a point as to allow No. 1to turn freelywith the outerend at the part-ing in the boxor floor. Thenthe sand waspacked and the… … Ti_3 ^B AND FOUNDRY PRACTICE 113 care being taken that they were exactly in posi-tion, where they could be secured by packing alittle sand around them. Now the cope was puton and rammed up, great care being taken not tomove the hinges. Nextthe cope and hingepatterns, which re-mained in the…

Patternmaking · Founding

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