Subtensial plain trigonometry : wrought with a sliding-rule, with Gunter's lines: and also arithmetically, in a very concise manner. And this method applied to navigation, and surveying. : To which is added, I. Mensuration of masons work. II. A solution of rota, or Aristotle's wheel. III. A brief discourse upon gravity. / - Abel, Thomas. (Printed and sold for the author, by Andrew Steuart, 1761)