Volume 1: Institutes of Natural Philosophy 383 pages of lecture notes on natural philosophy with chapters including analysis, synthesis, animal economy, general properties of matter; the divisibility of matter, space, time, motion, ratio. Other sections include Newton's rules of philosophising, mechanics, momentum of bodies, pressure, mechanic powers, balance, axis of tye wheel and pulleys, the inclined planescrew, compound engines, oblique powers, friction, machines and the last chapter is doctrine of projectiles. Uses diagrams and problems to show theories. Details of experiments entered later]]> diameter 60 mm, height 75 mm]]>