EditorialThe laws of gravitation; memoirs by Newton, Bouguer and Cavendish, together with abstracts of other important memoirs : Mackenzie, A. Stanley (Arthur Stanley), 1865-1938.
EditorialTheoretical astronomy, relating to the motions of the heavenly bodies revolving around the sun in accordance with the law of universal gravitation, with numerical examples and auxiliary tables : Watson, James C. (James Craig), 1838-1880.
EditorialNEWTON, Sir Isaac (Woolsthorpe, 1642-London, 1727). Physicist, mathematician and English astronomer. By 1665 he discovered the laws of universal gravitation. Illustration of 19th century.