Hummel, J. J. (John James), -1902 · London [etc.] New York, Cassell & Company, Limited · leaf 23
3 Cliap. I.] SECTIONS OF COTTON FIBRE. prominent. Transverse sections of the fibres show them to be fiattened tubes, having comparatively thick walls … are remarkably transparent, and Fig. 2. — Appearance of Cotton possess irregular folds. Their under the Microscope. transverse section exhibits no central opening at all (Fig. 4). They are, indeed, unripe fibres, in which no separation of the thin cell walls has yet taken place. They refuse to be…
Dyes and dyeing
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