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, ...
I MENTIONED in NATURE of December 1, 1923, p. 788, that Dr. F. A. Vening Meinesz, on board the Submarine K II of the Royal Dutch Navy, left Suez on October 31 to carry on his pendulum observations at ...
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