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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Simple Process for Silvering
This is an improved process for silvering cop- 'per, brass, and other alloys, by means of a solution of silver in cyanide of potassium; the difference from the usual method consists in the use of zinc-filings, with which the objects are coated; when the silvering solution is ap- No. 3614), the other is a coating of real silver, precipitated from a solution of that metal. (See Nos. 3615, &c.)