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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 40

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 40
sition and rammed up; then it is turned overand the lugs a and a inserted, the cope se-cured in its proper position, the parting made AND FOUNDRY PRACTICE 35 and the cope rammed up, as heretofore described.The flask is then separated and the wood pat-tern. Fig. 9, is removed and in its place the… … /// £{gcftoytCT? vtgw o£ mould for /yys a flf ^ ^howin^ paiicrn itt_ sang while in other cases the pattern will be almosttoo large to be put in a flask at all. In suchcases it is customary to dig a pit in the floor ofthe foundry to answer for the drag, and in thecase of large castings, such as…

Patternmaking · Founding

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