GEORGE FORBES, M.A., F.R.S., M. INST. C. E.,
CONTENTS
PREFACE
BOOK I. THE GEOMETRICAL PERIOD
BOOK II. THE DYNAMICAL PERIOD
BOOK III. OBSERVATION
BOOK IV. THE PHYSICAL PERIOD
ILLUSTRATIONS
INDEX
SIR ISAAC NEWTON (From the bust by Roubiliac In Trinity College, Cambridge.)
