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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 81

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 81
ible formscan be cast by using a three-part flask. Thedouble-flanged gear wheel, Fig. 40, a and 6, is anillustration of work usually cast in a three-partflask. It can also be moulded in a two-part 76 PATTERN MAKING flask by making a double parting in the sand, asshown in Fig. 37. Or the gear can be… … Tig 3© peculiarity in the construction of this particularpiece. In this pattern. Fig. 41, nothing is re-quired but a plain wooden wheel. The squarehole in the center, being tapered, makes its owncore. AND FOUNDRY PRACTICE 77 When a great number of wheels arc wantedthe pattern is bedded half its…

Patternmaking · Founding

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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