Excerpt from On the Mean Density of the Earth Consequently, the whole attraction of the earth, is to the sum of the two contrary attractions of the mountain, as the number 87522720 to 881135; that is, as 9933 to 1 very nearly; on supposition that the density of the matter in the hill, is equal to the mean density of that in the earth. 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.