Excerpt from Elements of Conic Sections Matical pursuits are designed to be very limited; but it is believed that it will be found to contain nearly all the pro perties of the Conic Sections, a knowledge of which is essen tial to the study of the elements of Physics, Mechanics and Astronomy. In the present edition, a chapter has been added on the curvature of the ellipse and parabola. 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.