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Author: Squire Thornton S. Lecky
Publisher:
ISBN:
Category : Navigation
Languages : en
Pages : 580
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Author: Squire Thornton S. Lecky
Publisher:
ISBN:
Category : Navigation
Languages : en
Pages : 580
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Author: Squire Thornton Stratford Lecky
Publisher:
ISBN:
Category : Marine sciences
Languages : en
Pages : 682
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Author: Squire Thornton Stratford Lecky
Publisher:
ISBN:
Category : Navigation
Languages : en
Pages : 946
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Author: Squire Thornton Stratford Lecky
Publisher:
ISBN:
Category : Navigation
Languages : en
Pages : 812
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Author: Squire Thornton S. Lecky
Publisher: Legare Street Press
ISBN: 9781015582699
Category : Sports & Recreation
Languages : en
Pages : 0
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Book Description
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. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: S. T. S. Lecky
Publisher:
ISBN:
Category : Navigation
Languages : en
Pages : 474
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Author: Squire Thornton Stratford Lecky
Publisher: Forgotten Books
ISBN: 9780282495244
Category : Science
Languages : en
Pages : 960
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Book Description
Excerpt from Wrinkles in Practical Navigation Should this belief be justified by results, the Fifteenth Edition of Wrinkles will serve not less than two purposes: It will continue to awaken the interest of the student by making the subject attractive, and to train his intelligence by bringing before him whatever is striking, novel, and instructive in the particular branches of the nautical profession with which it deals; and it will perpetuate the high navigational knowledge, and the capacity for taking pains, which were such marked features of the Author's lil'e. 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.
Author: Squire Thornton Stratford Lecky
Publisher: Theclassics.Us
ISBN: 9781230734217
Category :
Languages : en
Pages : 322
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ... the Permanent International Geodetic Commission, which was held at Salzburg, determined to undertake an investigation of this important question by means of simultaneous observations at the Observatories of Berlin, Potsdam, Prague, and Strasburg, which were commenced in January 1889, and continued until April, 1890. The result of these ob servations was to show that in fact the latitudes of the places named were subject to periodical changes, the maxima of which occurred during the autumn, and the minima during the springtime. The greatest variation amounted to about one-half of a second (0'5), or in linear measure about 50 feet. 378 EXPEDITION TO HONOLULU. Variations of this extent could not be neglected in accurate geodetical measurements, where the calculations are often worked out to a few hundredths of a second. inconstancy of Theoretically, there are three possible reasons for variations in latitudes, viz., changes of gravity or of the plumb-line, the still unknown vibratory movements of the Earth's axis; and lastly, variations in the position of the Earth's rotation axis in the masa of the Earth itself. For the determination of this question it 13 necessary to have corresponding observations for latitude at two stations, as nearly as possible 180 distant from each other. In case it should be, as in fact did happen, that the variation of latitude takes place simultaneously, but in an opposite sense, the third explanation is the only one possible. The Permanent Commission for Earth-Measurement determined, therefore, in January, 1891, to despatch an astronomical expedition to Honolulu for the purpose of taking observations for latitude as accurately as possible, simultaneously with observations at the observatories of Berlin, Prague, ..
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 822
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Author:
Publisher:
ISBN:
Category : Shipbuilding
Languages : en
Pages : 482
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