Magnetical And Meteorological Observations At Lake Athabasca And Fort Simpson
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Magnetical and Meteorological Observations at Lake Athabasca and Fort Simpson
Author | : Sir John Henry Lefroy |
Publsiher | : Unknown |
Total Pages | : 428 |
Release | : 1855 |
Genre | : Geomagnetism |
ISBN | : NYPL:33433069115842 |
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Magnetical and Meteorological Observations at Lake Athabasca and Fort Simpson and at Fort Confidence in Great Bear Lake Classic Reprint
Author | : John Henry Lefroy |
Publsiher | : Forgotten Books |
Total Pages | : 420 |
Release | : 2017-10-27 |
Genre | : Electronic Book |
ISBN | : 1528126599 |
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Excerpt from Magnetical and Meteorological Observations at Lake Athabasca and Fort Simpson, and at Fort Confidence, in Great Bear Lake North America in the year 1840, namely, Philadelphia, Washington, and Cambridge near Boston, in the United States; Toronto in Canada; and Sitka in Russian America; might all, with the exception of the last, be comprised in a circle of little over 200 miles radius; nor were any means at that time provided for attaining a knowledge of the absolute or relative values of the magnetical elements, or of their regular and irregular changes, in the northern parts of the British possessions; a region of peculiar interest, as comprising both the focus of maximum magnetic intensity in the northern hemisphere, and the point or pole of vertical dip. It was the principal purpose of the magnetic survey of British North America, authorized by the Government in 1841, and in part executed in the years 1843 and 1844, to supply the former deficiency; but with a view also to the latter, I was provided, in addition to other instruments with a complete set of transportable magnetometers, of the construction of Dr. Weber, as improved by Captain Riddell; and it was arranged with the authorities of the Hudson's Bay Company, that the excur. Sion of the first summer should terminate at Moose Factory on Hudson's Bay, where it was left optional with me to pass the whole of the ensuing winter, or to return in the course of it to Canada. The employment of these instruments in the magnetical term days. 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.
Magnetical and Meteorological Observations at Lake Athabasca and Fort Simpson microform
Author | : Sir J H (John Henry) Lefroy,Sir John Richardson |
Publsiher | : Legare Street Press |
Total Pages | : 436 |
Release | : 2021-09-09 |
Genre | : Electronic Book |
ISBN | : 1014150841 |
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This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Magnetical and Meteorological Observations at Lake Athabasca and Fort Simpson
Author | : John Henry Lefroy, Sir,Charles Wright Younghusband |
Publsiher | : Palala Press |
Total Pages | : 135 |
Release | : 2016-05-21 |
Genre | : Electronic Book |
ISBN | : 1358425965 |
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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Contributions to Our Knowledge of the Meteorology of the Arctic Regions
Author | : Great Britain. Meteorological Office |
Publsiher | : Unknown |
Total Pages | : 730 |
Release | : 1879 |
Genre | : Arctic regions |
ISBN | : UOM:39015001211146 |
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A Treatise on Magnetism
Author | : Humphrey Lloyd |
Publsiher | : Unknown |
Total Pages | : 324 |
Release | : 1874 |
Genre | : Geomagnetism |
ISBN | : NYPL:33433066414982 |
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British North America
Author | : Henry Youle Hind,Canada. Provincial Secretary's Office |
Publsiher | : H.M. Stationery Office |
Total Pages | : 242 |
Release | : 1860 |
Genre | : Assiniboine River |
ISBN | : HARVARD:HNUVGM |
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Quarterly Journal of the Royal Meteorological Society
Author | : Royal Meteorological Society (Great Britain) |
Publsiher | : Unknown |
Total Pages | : 786 |
Release | : 1877 |
Genre | : Electronic journals |
ISBN | : UOM:39015035510620 |
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Vols. 10-11 include Meteorology of England by James Glaisher as seperately paged section at end.