Exercises in wood-working, with a short treatise on wood; (1890)
Sickels, Ivin. [from old catalog] · New York, D. Appeton and company · leaf 18
Fig. 4. Fig. 5. Fig. 0. Fig. 4.—Section of pine-wood cut parallel with the medullai-y plates, o, spring: growth,with large bordered pits : 6, summer growth, with smaller bordered pits ; c, medul-lary tissue. Fig. 5.—Section at right angles with the medullary plates, d. bordered pits ; e,…
Woodwork (Manual training) · Wood
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