Excerpt from An Essay on the Investigation of the First Principles of Nature, Vol. 2: Together With the Application Thereof to Solve the Phaenomena of the Physical System; In Which the Nature and Fuel of the Sun Are Physically Investigated; The Real Principles of Cold and Darkness Assigned; The Nature and Motion of Comets Explained Ture and Motion of Comets eitplained the material Cauf of the planetary Motions exhibited; the Tenet of Attra. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.