Principal facts of the earth's magnetism and methods of determining the true meridian and the magnetic declination. Reprinted from the United States magnetic declination tables and isogonic charts for 1902 (1909)
U.S. Coast and Geodetic Survey · Washington Govt. Print. Off · leaf 5
ast on L. M. T. 54.5 Mean declination E. 4 25-3 Local meat1 time 7 04 a Counted from South around by West from 0° to 360°. o 1 PLEASE DO NOT REMOVECARDS OR SLIPS FROM THIS POCKET UNIVERSITY OF TORONTO LIBRARY QC 815 U6 U. S. Coast and Geodetic Survey Principal facts of theearths magnetism and… … DEPARTMENT OF COMMERCE AND LABORCOAST AND GEODETIC SURVEY O. H. TITTMANN, Superintendent PRINCIPAL FACTS OF THEEARTHS MAGNETISM AND METHODS OF DETERMIN-ING THE TRUE MERIDIAN ANDTHE MAGNETIC DECLINATION [Reprinted from United States Magnetic Declination Tables and Isogonic Charts for 1902]
Magnetism, Terrestrial
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