A shorter course in woodworking; a practical manual for home and school (1911)
Wheeler, Charles G. (Charles Gardner), 1855-1946 · New York, London, G.P. Putnam's sons · leaf 227
Fig. 530 1 In addition to the curling, the outer boards will be poorer because they contain agreater proportion of sapwood, which is usually inferior to the heartwood. 2 By this is not meant the figures or flashes shown by the medullary rays, or silver 204 A Shorter Course in Woodworking oak, ash,…
Woodwork
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