Abstract
THE figure of the earth has been determined by three independent methods of investigation, (1) By abstract mathematical calculation of the form which such a body as the earth, rotating as it does, would assume when plastic. (2) By careful measurements of arcs on meridian lines in different latitudes. (3) By pendulum experiments, which have indicated a gradual increase of the force of gravity from the equator towards the poles.
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SCHAW, H. Pendulum Observations in the Northern and Southern Hemispheres. Nature 53, 222 (1896). https://doi.org/10.1038/053222a0
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DOI: https://doi.org/10.1038/053222a0
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