Sewing and textiles; a textbook for grades and rural schools (1918)
Turner, Annabell · New York, Chicago [etc.] D. Appleton and company · leaf 161
148 SEWING AND TEXTILES Eaw silk will absorb as much as 30 per cent of its weight in moisture and still appear dry. This property is called hygroscopicity, and be- cause of it the amount of moisture in the silk has to be determined at the time of sale and … DEGUMMED SILK allowances have to be made for it. The amount legally permitted is 11 per cent. Another property of silk is that of being a poor conductor of electricity. It is, therefore, readily electrified by friction. Silk is the strongest fiber known, said almost to equal the
Sewing · Textile fabrics
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
