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I. The present deficiency of Natural Philosophy The study of nature and the physical universe; the precursor to modern science. is discussed, along with methods for making it more certain and beneficial.
II. The nature, motion, and effects of LIGHT are treated, particularly that of the Sun and Comets.
III. A hypothetical explanation of MEMORY; how the organs used by the mind in its operations may be mechanically understood.
IV. A hypothesis and explanation of the cause of GRAVITY, or GRAVITATION, MAGNETISM, etc.
V. Discourses on EARTHQUAKES, their causes and effects, and histories of several; to which are annexed physical explanations of several of the fables in Ovid's Metamorphoses, very different from other mythological interpreters.
VI. Lectures for improving NAVIGATION and ASTRONOMY, with descriptions of several new and useful instruments and inventions; the whole full of curious inquiries and experiments.
To these DISCOURSES is prefixed the AUTHOR'S LIFE, giving an account of his studies and employments, with a list of the many experiments, instruments, contrivances, and inventions made and produced by him as Curator of Experiments to the Royal Society.
Printed by SAMUEL SMITH and BENJAMIN WALFORD, (Printers to the Royal Society) at the Prince's Arms in St. Paul's Churchyard. 1705.