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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 140

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 140
that from thecurved form of the core it isnecessary to so design the corebox that the sweep may bemoved from end to end of thework instead of around it. Sucha device is clearly shown inFigs. 98, 99 and 100. Fig. 101 represents an ordi-nary fluted cast-iron fence post,which has hollow projections… … Such a pattern would not draw if divided inthe ordinary manner; but the work becomessimple enough when parted as shown in Figs. 102and 103. The projections for receiving the ends j9aHinq

Patternmaking · Founding

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

More pictures 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 ..

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