Abstract
THE letter from Sir Arthur Schuster in NATURE of October 20 last requires amplification and amendment in one particular. The setting tendency of anelongated body depends upon its method of support. If suspended, with the centre of gravity not free to rise and fall, it is at its “lowest” position when lying on the equipotential section of maximum radius of curvature, i.e. tends to set east and west. A floating body, on the other hand, where the centre of gravity is free to rise and fall, is at its lowest when lying on the equipotential of minimum radius of curvature, i.e. north and south. The whole matter is fully discussed in an article by Mr. W. D. Lambert, of the United States Coast and Geodetic Survey in the American Journal of Science for September last.
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GROVE-HILLS, E. The Tendency of Elongated Bodies to Set in the North and South Direction. Nature 108, 403 (1921). https://doi.org/10.1038/108403a0
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DOI: https://doi.org/10.1038/108403a0
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