Kinne, Helen · New York: The Macmillan company · leaf 295
Fig. 144.— The microscope reveals many things. 282 CLOTHING AND HEALTH … Fig. 145.— The test for fading more slowly. Whenheavily weighted, the flamedoes not burn readily andthe form of the silk willremain. The vegetablefibers, cotton and linen,burn quickly and with aflame. Tests with microscope.You have all seen the ap-pearance of the fibers underthe microscope. This…
Sewing · Clothing and dress
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