VI. Contributions to terrestrial magnetism.—No. XII. The magnetic survey of the British Islands, reduced to the epoch of 1842-5
Author(s) -
Edward Sabine
Publication year - 1870
Publication title -
proceedings of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9126
pISSN - 0370-1662
DOI - 10.1098/rspl.1869.0090
Subject(s) - epoch (astronomy) , magnetic declination , magnetic survey , declination , hydrography , geodesy , statement (logic) , magnetism , secular variation , geology , history , physics , geophysics , magnetic anomaly , geography , oceanography , astrophysics , magnetic field , earth's magnetic field , political science , law , condensed matter physics , stars , quantum mechanics
This paper contains a statement of the origin, progress, and completion of this survey. It is accompanied by maps of the declination, inclination, and magnetic force, which have been drawn at the Hydrographic Office of the Admiralty under the superintendence of Captain Frederick John Evans, R. N., F. R. S. The paper consists in great measure of Tables, giving the observation of each of the three magnetic elements, with reductions in every case for the secular change between the date of the observation and that of the epoch (1842-5) for which the maps are constructed.
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