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 58
ff " with soap, however, this double fibre separates into a pair of distinct fibres, having a more or less irregular, somewhat rounded triangular section. Wild silk is distinguished from mulberry silk by the longitudinal striations seen in each of the double fibres when under microscopic… … Fig. 11. — Microscopic Appearance of Tussur Silk Fibre. ance is seen because the more or less flattened fibres are twisted at the contracted points. Physical Properties of Silk. — The most important are its lustre, strength, and avidity for moisture. One other distinctive property which it…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
