The textile fibres; their physical, microscopical, and chemical properties (1904)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, J. Wiley & sons; [etc., etc.] · leaf 73
inct; the diameter is also veryuniform, and there are coarse brown longitudinal striations, butno meduUa. The wool-hairs of the white ^^ariety are very dis- 6o THE TEXTILE FIBRES. tinctly serrated on the edge, and the fibre is not so uniformlythick. The beard-hairs of the brown variety are… … Fig. 20.—Fibres of Alpaca. (Hohnel.)a, beard-hair containing medulla; b, wool-hair free from medulla; e, cusp-likescales, thin and broad; k, granulated streaks on the fibrous layer; m, medul-lary cylinders; z, small medullary cells. are very indistinct, but are filled with coarse granules of…
Textile fibers
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