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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 105

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 105
re that thelast cog on the pattern exactly fits the impressionin the sand. Ram this up again and move thepattern as before. Continue this until the com-plete circle is made, which will be an impressionof the complete gear. Since seeing this I have 100 PATTERN MAKING used the same plan for making… … making of an entire pattern can and in somecases should be avoided. Another problem of a similar nature is foundin making a large pulley or flywheel where thecost of making the pattern is not justified by thenumber of v»diecls required. To make the mouldfor such a pulley, first construct the form…

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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