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and fitness of such materials for his purpose, when prepared and brought to market.
These necessary precautions known, will guard the manufacturer at all times against every imposition, whether attempted in quality or price.
To obtain a perfect knowledge, or as much information with regard to alkaline salts as possible, ought to be the principal study of the soap-boiler. The whole art of the trade, the sole prospect of aggrandisement, depends upon, and must accrue from such knowledge well digested.
As the making of soap is the avowed purpose of this Treatise to explain, the doing so, by barely exhibiting the method of treating the materials in a soap-work, preparatory for using; of charging, boiling, and finishing a pan of soap, only, would be doing nothing; would be communicating no more information than any laboring man,
