Matthews, Mary Lockwood, b. 1882 · Boston, Little, Brown, and company · leaf 163
of the weighting material canbe removed. 3. Rub the cloth between the hands and observewhether the weighting will rub out of the material,leaving it less stiff and not so heavy in appearance. 4. Boil a sample in water until the sizing is re-moved, after which the true quality of the materialmay be… … Silk Fibers Magnified SEWING AND TEXTILES 143 Silk materials are weighted by adding chemicals,and the tests above do not apply. A weightedsilk may be burned, a square sample being usedinstead of a thread. If the silk is weighted it retainsits shape after burning. Chemical tests. Chemical tests are…
Sewing · Textile industry and fabrics
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