Beech, Franklin · London : Scott, Greenwood ; New York : D. Van Nostrand · leaf 14
A trans versed section of the wool fibre shows the presence of a large number of cells. Some- times wool fibres are occasionally met with which have a peculiar white horny appearance ; these do not felt or dye well. They are known as " kempy " fibres. See figure 2. The microscope shows that they… … Pig. 2. — Kempy Wool Fibres. the unequal contraction of the outer scales, and depends in a great measure upon the hygroscopic nature of the wool. It may be entirely removed for the time by wetting the wool in hot water, then drying it in a stretched condition, or the curl may be artificially…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.