4. _Reserve paste for a light red._
Take 1 gallon of the weaker sulpho-acetate of alumina formerly
prescribed; dissolve in it
4 ounces of corrosive sublimate; and thicken with
4 pounds of pipe-clay, and 2 pounds of gum; adding to the mixture
8 ounces of oil.
A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice · 第 68 / 421 题