配方类型：	TEXTILES
配方说明：	Cloth for Preventing Tarnishing of Silver (U.S. Patent 2,480,930)
配方组成：	A: Locust-Bean Gum/6 lb. Cook together until uniform and cool B: Silver Nitrate/59 lb. Solution A (Above)/60 gal. C: Sodium Ferrocyanide/46 lb. Solution A (Above)/60 gal. Water/120 gal.
配制方法：	Add C to B and homogenize to a thin cream. Keep alkaline by adding a little soda ash. Use this to impregnate flannel or other soft cloth.

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