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 77
o^ … TJj 3^ pattern in a two-part flask without any corewhatever, and although this method is not recom-mended because of its greater cost and inferiorityto other ways of doing the work, it is well thatthe pattern maker should be familiar with theprocess. To make this pattern the wheel shouldbe made as…
Patternmaking · Founding
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.