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Terrestrial Magnetism, Vol. 15: Results of Magnetic Observations Made by the United, States Coast and Geodetic Survey Between, July 1, 1911, and December 31, 1912 (Classic Reprint) by R L Faris (Paperback / softback, 2015)

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Excerpt from Terrestrial Magnetism, Vol. 15: Results of Magnetic Observations Made by the United, States Coast and Geodetic Survey Between, July 1, 1911, and December 31, 1912 In 1882 the results of magnetic observations made by this Bureau prior to 1881, together with descriptions of stations, were published as Appendix 9, Report for 1881. From that time to 1902 the results were published only in connection with a discussion of the distribution or secular change of one or more of the three magnetic elements. In Magnetic Declination Tables and Isogonic Charts for 1902, declination results were given for all stations occupied up to that time and descriptions of stations for the points occupied subsequent to 1881. From 1903 to 1911 there has been published annually an appendix to the Superintendents annual report, giving the results of magnetic observations made during the fiscal year (July to June) covered by the report. The use of the fiscal year proved somewhat inconvenient for publication purposes, as the field season of a magnetic observer almost always began before July 1 and ended after that date, so that part of a seasons work would be published in one report and the remainder in ather. When in 1912 it was decided to confine the annual report of the Superintendent to administrative matters and to publish separately the scientific results which had formerly appeared as appendixes to the report, the time was deemed opportune to change from the fiscal year to the calendar year hi the publication of the results of magnetic observations. The present publication contains the results of observations made between July 1, 1911, and December 31, 1912, and therefore embraces the greater part of the work of two calendar years, as there is much more field work done in the second half of the year than in the first. Five magnetic observatories have been in operation throughout the period, at Cheltenham, Md.; Sitka, Alaska; near Holulu, Hawaii; on Vieques Island, P. R.; and near Tucson, Ariz. Their records have furnished means for reducing to mean of day the values of declination obtained from the field observations. There will be found in the tables the values of the magnetic elements for each of the observatories for the year 1912. Observations On Land And Their Distribution. The distribution of the stations on land is shown in the following table, from which it will be seen that observations were made in 35 States and Territories. Numerous old stations were reoccupied in order to determine the secular change of the magnetic elements. 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 techlogy 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.

Product Identifiers

Publisher
Forgotten Books
ISBN-10
1331953227
ISBN-13
9781331953227
eBay Product ID (ePID)
216326286

Product Key Features

Author
R L Faris
Format
Paperback / Softback, Trade Paperback (US) ,Unsewn / Adhesive Bound
Language
English
Topic
Archaeology

Additional Product Features

Content Note
Black & White Illustrations
Date of Publication
27/09/2015
Country of Publication
United States

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Terrestrial Magnetism, Vol. 15: Results of Magnetic Observations Made by the United, States Coast and Geodetic Survey Between, July 1, 1911, and December 31, 1912 (Classic Reprint) by R L Faris (Paperback / softback, 2015)

About this product

Product Information

Product Identifiers

Product Key Features

Additional Product Features

Best Selling in Books

The Mountain Is You: Transforming Self-Sabotage Into Self-Mastery by Brianna Wiest (Paperback, 2020)

The Concise 48 Laws Of Power by Robert Greene (Paperback, 2002)

Become What You Are: Expanded Edition by Alan W. Watts (Paperback, 2003)

Pihkal by Alexander T Shulgin, Ann Shulgin (Paperback, 1995)

House of Leaves by Mark Z. Danielewski (Paperback, 2000)

First Day by Andrew Daddo (Paperback, 2014)

Gold by Haleh Liza Gafori, Rumi (Paperback, 2021)

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