Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 927
016 WOODS, VARIETIES OF. Figs. 3929 and 3930 are vertical sections of an older piece of beech-wood. Fig. 3929 is cut througha plane, such as from a to a, in which the edges of the annual ring3 appear as tolerably parallel fibresrunning in one direction, or lengthways through the stem ; the few…
Mechanical engineering
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