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.
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To Preserve Yeast
Ordinary beer yeast may be kept fresh and fit for use 40 pounds oil of vitriol to 100 pounds bones. for several months, by placing it in a close Work the mixture with long wooden poles canvas bag, and gently squeezing out the moisture in a screw press till the remaining matter becomes as stiff as clay, in which state it must be preserved in close vessels. 1816. To Remedy Bitterness in Yeast. Yeast is often SO bitter as to com- . Yeast is often so bitter as to comuntil the mass is uniform. Allow it to remain 24 hours, by which time it will be perfectly dry.
A couple of shovelfuls added daily to a dung -heap will form a fine compost. old barrel with alternate layers of wood ashes Bones may also be dissolved by filling an