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 259
portion of the fibre generallyline-shaped, much narrower than the wall; ends never blunt,always sharply pointed; sections isolated or in small groups,regular in diameter, sharp-angled and straight-sided polygonals; 246 THE TEXTILE FIBRES. without separate median layer; iodin and sulphuric acid… … Fig. 68.—^Linen Fibre.Showing jointed structure or knot-like formation at /. Lumen, at least in the central portion of the fibre, alwaysmuch thicker than the walls; in section generally more or lessflattened, narrow to broad, egg-shaped or oval. Fibre endsblunt, never sharply pointed; sections…
Textile fibers
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