Important: Safety Warning
This page describes practices involving highly flammable materials in ways that create a serious risk of fire or explosion.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
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Home › Pigments › Dark Colored Boiled Oil
Dark Colored Boiled Oil
Simmer with frequent stirring, 1 gallon of linseed oil, with pound powdered litharge, until a skin begins to form; then remove the scum, and when it has become cold and has settled, decant the clear portions. This is for house painters' usc.