5. _Neutral resist paste._
Take 1 gallon of water; in which dissolve,
3-1/4 libs. of binarseniate of potash, and
12 ounces of corrosive sublimate; thicken with
3 libs. of gum, and 6 libs. of pipe-clay, adding to the paste 16
ounces of oil.
A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice · 第 69 / 421 题