It may be obferved, that, in a maniy'attory, where the articles 'are numerous, trade/men will vary fomething in their charges, ac cording to their feveral ideas of the profit; but it has been the author's jtudy, unformly, to mahe his calcultions and jtatements with an accuracy and fairnefs, that may render the whole a ji? ?andard, as well on the part of the Iburchcyer as the tradefman and fuch as he ever intends to abide by, for worh exe cuted in the bdt manner, as alfo do many others of the trade it may therefore be pre fumed, whoever objetts to them as unfair, have only their views to mi?ead and im po?e on their emlbloyers.