PREFACE
The following Receipts and Directions are not collected from books, nor interspersed with old women's nostrums; but they are, in very truth, the result of my own LONG EXPERIENCE in trade, founded on chemical principles, which are principles of never-erring nature.
Perhaps I had never thought of this Method of communicating my little knowledge, had it not been for many gentlemen in the counties of Gloucester, Hereford, Worcester, &c....
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