Excerpt from Historical Essay on the First Publication of Sir Isaac Newton's Principia Sir david brewster is well known to be engaged on an enlarged edition of his Life of Newton, for which, in addition to other valuable. Documents, be has had access to the papers belonging to the Earl of Portsmouth. It may be right, therefore, to mention, that no steps were taken towards printing this Essay, before it had been ascertained that he would not con sider the publication of it as an interference with his more important object. Indeed, minute details on a particular point would hardly be compatible with a general history, although it is hoped that they may supply some materials for the greater work. 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.