Textiles and clothing, by Kate Heintz Watson.. (1907)
Watson, Kate Heintz, American School of Home Economics · Chicago, American School of Home Economics · leaf 56
the mildest means possiblein order to preserve the natural fluffiness and bril-liancy of the fiber. The chief impurity is the wool WOOL 41 grease or yolk which is secreted by the skin glandsto lubricate the fiber and prevent it from matting. In the scouring of wool, soap is the principal agent.Soft… … ONE METHOD OF WOOL SORTING1—The Best Grade; 2—Lowest Grade; 3—Fair; -1—Medium Grade. as it is less harmful than ordinary hard soda soap.Potassium carbonate—pearl ash—is often used inconnection with the soap. If the water for scouring ishard, it is softened with pearl ash. The temperature 42…
Textile industry · Sewing · Dressmaking
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