1785. In writing this small piece, Mr. Priestley had two objects. One is a cheap and extensive circulation; and the other to serve as a guide to those persons who may wish to preserve upon their minds a just idea of the place and value of any particular argument, in a miscellaneous controversy; and to enable them to judge how far any particular advantage in argumentation affects the merits of the question in debate. Due to the age and scarcity of the original we reproduced, some pages may be spotty, faded or difficult to read. Old English text.