Bench work in wood; a course of study and practice designed for the use of schools and colleges (1905)
Goss, W. F. M. (William Freeman Myrick), 1859-1928 · Boston, New York, Ginn & company · leaf 72
BENCH TOOLS. 53 Fig. HO 2C£CCCC= Boring Tools. 88. Augers.—Fig. no shows a double-twist spur auger,a form generally used by carpenters.They are made in sizes varying fromJ to 4 (in diameter), but are notmuch used below 1. The spur A,Fig. in, is in the form of a taperedscrew, which, besides… … to the surface by the screw-like action of the body of the tool.Fig. 112 shows part of a single-twist auger which, as willbe seen, has but a single nib B, and a single cutting lip C.The cuttings are thrown into the center of the hole, and de-Fig. 112
Woodwork (Manual training)
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