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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 80

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 80
It/opart the line c d i e f, is now removed, as is also thepattern from the line a b upv/ards. The flaskshould then be put together and turned over, AND FOUNDRY PRACTICE 75 removing the drag, which should part along theline c g hf, after which the flange is removed.The flask is now put together… … Joi-n t Tig ae but this method is given more as an illustrationof what can be done than as a sample of goodpattern shop practice. Many difhcult or otherwise impossible formscan be cast by using a three-part flask. Thedouble-flanged gear wheel, Fig. 40, a and 6, is anillustration of work usually…

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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