Watson, Kate Heintz. [from old catalog], American school of home economics, Chicago. [from old catalog] · Chicago. American school of home economics · leaf 46
leansing- iscalled scouring. Before scouring, the wool is usuallydusted by machines to remove all loose dirt. Thescouring must be done by the mildest means possiblein order to preserve the natural fluffiness and bril-liancy of the fiber. The chief impurity is the wool WOOL 4i grease or yolk which… … ONE METHOD OF WOOL SORTING1—The Best Grade; 2—Lowest Grade; 3—Fair; i—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 TEXTILES…
Textile industry and fabrics · Sewing · Dressmaking
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