Textile fabrics and their preparation for dyeing : with numerous engravings and diagrams (1906)
Hummel, J. J. (John James), -1902, Hasluck, Paul N. (Paul Nooncree), 1854-1931, Foster, A. R · Philadelphia : David McKay · leaf 36
only in parts. By boiling the fibre with alkali, it is often possible to squeeze out this medullary portion. In many classes of wool (merino, etc.) it seems to be entirely ab- sent : indeed, its presence or absence depends upon a variety of factors, as race, health of sheep, part of the body from… … Fig\ 8. — Cells of Wool Fibre under the Microscope. so that by boiling such a fibre with turpentine or glycerine the cells become transparent. Wool fibres which exhibit the. medullary cells are brittle and stiff ; altogether they possess more of a hairy character, and are less suitable than other…
Dyes and dyeing
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