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 56
1889; von Bezolds papers, Berlin Academy of Sciences, 1897, andNippoldts papers, Terrestrial Magnetism, Vol. VII. A summary of Schusters and von Bezoldsresearches will be found in Grays Magnetism and Electricity, Vol. I, 1S98. PRINCIPAL FACTvS OF THF EARTHS MAGNETIS5I. 53 Tabi<E VI.—Annual… … It is seen that the total range of the annual variation is a very small quantity,about i for the North American stations. The character of the variation appears tobe different for each station. This may possibly be because the tabular results do notrefer in each case to the same inter\al of time,…
Magnetism, Terrestrial
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
