Excerpt from The Transatlantic Longitude, as Determined by the Coast Survey Expedition of 1866: A Report to the Superintendent of the U. S. Coast SurveyThe main facts here presented, together with the numerical results of the field reductions, were communicated to the National Academy of Sciences at their session of January, 1867.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.