Mathematics.- Galilei (Galileo) Mathematical Discourses concerning Two New Sciences relating to Mechanicks and Local Motion, in Four Dialogues, translated by Thomas Weston, second edition in English, title in red and black, engraved plate of tables, woodcut illustrations and diagrams, advertisement leaf at end, with early ink manuscript equations and diagrams to title and some other marginalia and underlining, title lightly soiled and stained, some other water-staining, S1 torn and repaired, modern panelled sprinkled calf, red morocco label, preserved in modern cloth drop-back box, 4to, for J. Hooke, 1730.

⁂ The first modern textbook of physics and the foundation of the modern science of mechanics. The two new sciences mentioned in the title are the engineering science of strength of materials and the mathematical science of kinematics. The first English translation was by Thomas Salusbury, published in 1665, but many copies were destroyed the following year during the Great Fire of London.