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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 79

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 79
in an inverted position and filled about half full,or within about two inches of the top, and thesand smoothed down solid. The pattern is thenturned with the spoke side up and pushed downhard into the sand. It is then taken out to seethat the impression is perfect, and a parting ismade at i. The… … and rammed up. The flask is then inverted andthe vents made, when the pattern will appear asin Fig. o34. The cope, which should part along C o 73 e. J. •... • >.• &hoY/inq hoW I^rtjSt nrny levtoiildecl rn a It/opart the line c d i e f, is now removed, as is also thepattern from the line a b…

Patternmaking · Founding

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

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