Important: Safety Warning
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.
This information has been left in for historical purposes but should not be acted upon.
Oleine
See OILS.
Olive Bronze Dip for Brass.--Nitric acid 3 ounces, muriatic acid 2 ounces; add titanium or palladium. When the metal is dissolved add two gallons of pure soft water to each pint of the solution. See STAINS FOR METALS.