Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 38
urrounding the fibre. In hair theyare more deeply imbedded; they also lie flatter, andpresent but little free margin. This surface-character plays an important ])art incausing the felting of wool in milling, etc. Duringthis and similar operations, in which a large number offibres are brought into… … Fig. 8.—Microscopical Appear-ance of Wool Fibre. iCliap. m.] PHYSICAL STRtJCTtfRE OF WOOL. 25 constituting nearly, and sometimes entirely, the wholeinternal portion of the fibre, is composed of narrowspindle-shaped cells, which have assumed a more orless horny character. This structure, which…
Dyes and dyeing
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