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 143
produce ragged cracks, which sometimes extend from the ex-terior to the heant-wood, as shown. 194. If a log is cut longitudinally into five pieces, the mid-dle piece will, in shrinking (by the drawing together of themedullary rays), become thinner at the edges than at thecenter, as shown by Fig.…
Woodwork (Manual training)
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