Bench work in wood: a course of study and practice designed for the use of schools and colleges (1902)
Goss, W. F. M. (William Freeman Myrick), 1859-1928 · Boston, Ginn & company · leaf 68
BENCH TOOLS. 53 Fig. no 5S3oXCC:: Boring Tools. 88. Augers. — Fig. no shows a double-twist spur auger,a form generally used by carpenters.They are made in sizes varying from-i-^ to 4^ (in diameter), but are notmuch used below i. The spur A,Fig. Ill, 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-tvvist auger which, as will be 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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