Abstract
THE main geomagnetic field and its secular variation were the subject of a Geophysical Discussion held at the Royal Astronomical Society on February 27. The largely attended meeting, at which the Astronomer Royal was chairman, was addressed by Dr. E. C. Bullard, of the Department of Geodesy and Geophysics, Cambridge (who is shortly to take up the post of head of the Department of Physics in the University of Toronto), Dr. J. McG. Bruckshaw, in charge of the sub-department of applied geophysics at the imperial College of Science and Technology, London, Mr. D. W. Bishopp, director of the Geological Survey of Eire, and Mr. S. K. Runcorn, of the Physics Department in the University of Manchester.
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CHAPMAN, S. The Main Geomagnetic Field. Nature 161, 462–464 (1948). https://doi.org/10.1038/161462a0
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DOI: https://doi.org/10.1038/161462a0
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