Abstract
AT the autumn meeting of the National Academy in 1894, which was the last occasion upon which the author asked for its attention to this subject, he presented the numerical theory of the motion of the pole, synthetically derived from the observations from the beginning of the history of the astronomy of precision up to that time, in its complete development, exactly as it stands to-day. Since then he has been interested to compare it with the various series of observations, as they have been published from time to time, not only for the purpose of verification or improvement of the numerical values of the various constants, but also to detect any additional characteristics which these later data might make apparent. These additional investigations have individually been neither extensive nor important enough to call for separate publication; since their general result has been merely a satisfactory confirmation of the previous deductions as to the nature of the laws of these motions, without furnishing material improvement of the numerical elements. But sufficient material has thus been gradually accumulating to make the present communication of some interest.
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On the Variation of Latitude1. Nature 56, 40–41 (1897). https://doi.org/10.1038/056040a0
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DOI: https://doi.org/10.1038/056040a0
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