The description and use of an universal sliding rule : Which, by means of single and double slides, and the addition of proper lines, is adapted to answer all question in arithmetic, mixt-mathematics, and philosophy, in the most easy and expeditious manner, as shewn in sixty examples of principal utility in the practical parts of science. By Benjamin Martin. - Martin, Benjamin (Printed for, and sold by the author, at No. 171 in Fleet-street, and by all booksellers in city and country, 1770)