Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 923
yiG WOODS, VARIETIES OF. Figs. 3929 and .59.30 are vertical sections of an older piece of beech-wood. Fig. 3S29 is cut tlirougha plane, such as from a to a, in which the edges of tlie annual rings appear as tolerablj parallel fibresrunning in one direction, or lengthways through the stem; the few… … Fig. 3930 is cut radially, or through the heart, as from 6 to b. In this the fibres are observed to bearranged in two sets, or to run crossways ; there are, first, the edges of the annual rings, as in Fig. 3929;and, secondly, the broad medullary rays or plates. The whole of these figures, but…
Mechanical engineering · Mechanics · Engineering
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