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.
Quart – Quicklime
Quart
The fourth part of a gallon. Two pints make one quart.
Quarter-turn Pipe
A curved section of piping, the ends of which finish at an angle of 90 deg.
Quick-dipping Acid
Sulphuric acid 1 gallon, nitric acid, 1 gallon. This is for brass which has been ormolued. See DIPPING.
Quicklime
Limestone or carbonate of lime deprived of its carbonic acid. Unslaked lime. See LIME; LIMESTONE, etc.