Abstract
IN a series of articles which have appeared in issues of the quarterly journal Terrestrial Magnetism and Atmospheric Electricity (commencing with the issue dated December, 1940), Prof. Sydney Chapman gives the results of his valuable investigation of the general form which iso-magnetic curves should take on magnetic charts of the globe, and of the interrelation between the curves for certain components of the earth's magnetic field.
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WITCHELL, W. ISO-MAGNETIC CHARTS OF THE GLOBE. Nature 150, 439 (1942). https://doi.org/10.1038/150439a0
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DOI: https://doi.org/10.1038/150439a0