Educational woodworking for home and school (1908)
Park, Joseph C · New York, MacMillan · leaf 265
Fig. 240. — Wood of chestnut. 246 EDUCATIONAL WOODWORKING summer wood, while in the black or reel oaks the poresare larger, few in number, and mostly isolated. The live … Fig. 241. — Wood of hickory. oaks, as far as structure is concerned, belong to the blackoaks, but are much less porous, and are exceeding heavyand hard. III. — Diffuse-porous Woods [A few indistinctly ring-porous woods of Group II, D, and cedarelm may seem to belong here.] A. Pores vaiying in size…
Manual training · Woodwork
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