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.
In addition, this page presents medical treatment from an era before modern medicine. The remedies described are ineffective against the conditions named, and some of the ingredients or doses are harmful. Do not use them to treat any illness; consult a qualified medical professional.
This information has been left in for historical purposes but should not be acted upon.
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Alloy for Filling Teeth
An alloy, which is sold in commerce in the shape of large, almost white filings, shows upon analysis the following composition: Tin, 611; silver, 388; copper, 1. The alloy is to be 1 of sodium. By means of the alkaline amal- amalgamated before use by warming it in a gams, most other mercurial alloys may be spoon with a little mercury. The combinaproduced, by introducing them into the solution takes place rapidly, and the amalgam, tion of other metals. Zinc amalgam is like- while still warm, is pressed in a piece of soft wise used for the purpose. leather, whereby the excess of mercury is re-