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TO THE READER.
THE author of the following Treatise would request the favour, that his intentions in producing this small, but, he trusts, useful piece, may be candidly imputed to his own real motives, viz. an endeavour of being useful to a large proportion of his Brethren in Trade, and not to an ostentatious show of exhibiting either his own abilities or education. Sensible of his deficiency in both, he humbly solicits, that the indulgent reader will have the goodness to take an opportunity of announcing any inaccuracies or mistakes
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