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110 The author, in the preceding parts of this treatise, has endeavoured to furnish the attentive reader with, what he trusts, an accurate and comprehensive idea, both of the materials proper for, and the process necessary to, the successful manufacturing of Hard and Soft Soap. One necessary piece of knowledge, however, to every soap-maker, and intimately connected with the present work, still remains to be taken notice of, viz. The Revenue Laws by which every soap manufactory must be strictly regulated. The want of such knowledge might frequently hazard mistakes, and ultimately incur penalties altogether undeserved. To guard him, therefore, against such serious consequences, the utility of annexing to this