Land Magnetic Observations 1914 1920 PDF Download

Excerpt from Land Magnetic Observations: 1914-1920 One of the main objects to which the Department of Terrestrial Magnetism has devoted its energies since it was established in 1904 - the general magnetic survey of the globe - has now been completed for the major part of the Earth. While this task has been accomplished chiefly through the labors of the Depart ment, very notable contributions have been made by various countries, either through repetition of former magnetic surveys, or through new surveys. The work of the Department has been confined, in the main, to the oceans and to those countries or regions where, for one reason or another, magnetic data would not otherwise be obtained immediately. In some regions required magnetic surveys were accomplished by cooperation with existing organizations, or with interested investigators. The Department furthermore cooperated successfully with the Peary Arctic expedition, the Mawson Antarctic expedition, and the Amundsen Arctic expedition, now in progress; in this manner valuable data in polar regions were obtained. It is a pleasure to acknowledge the cordial and valuable aid received from magnetic institutions generally, as well as from government officials and diplomatic representatives of the countries visited; this aid has in no small measure contributed to the achievement of the desired object. 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.