Mensuration made perfectly easy, by the assistance of a new-improved sliding-rule : Which at one operation, solves questions in superficies, and solids of all denominations, by an entire new, and concise method, never before put in practice. To which is added, a description and use of Mr. Scamozzi's lines, in finding the lengths and angles of rafters, hyps, collar beams, &c. Also chord, hours, latitudes, and inclination of meridians; with their use in mechanic dialling. Made and sold by W. Frost and T. Withnoll, successors to wood and lort (the improvers) in Birmingham, Warwickshire.