The art of measuring made easy by the help of a new sliding-rule: which performs the same at one operation, As requires Two, Three, or More, On the Sliding-Rules heretofore used, in a Plain, easy, and concise Method, entirely new. By W. Bradford, R. Darby, and J. Hulls, philomath' all of Campden in Gloucestershire N. B. For the Curious the Authors have Sliding-Rules of a particular Make, with Brass Slides at 7s. each - Bradford, William teacher of mathematicks (1756)
English Short Title Catalog, T225755