A New Theory, Accounting for the Dip of the Magnetic Needle: Being an Analysis of Terrestrial Magnetism, with a Solution of the Lines of Variation and . and an Explanation of the Nature of a Magnet
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- A New Theory, Accounting for the Dip of the Magnetic Needle: Being an Analysis of Terrestrial Magnetism, with a Solution of the Lines of Variation and . and an Explanation of the Nature of a Magnet