The life and letters of Herbert Spencer / by David Duncan.

  • David Duncan
Date:
1908
Catalogue details

Licence: In copyright

Credit: The life and letters of Herbert Spencer / by David Duncan. Source: Wellcome Collection.

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    star-clusters. And now to this negative proof of misrepresenta- tion I have to add positive proof ; for on pp. 630-1, Sir John Herschel discusses the speculations that had been ventured respecting the rotation of our Sidereal System, and after rejecting the only definite one named, that of Madler, expresses his own neutrality, and thinks that an opinion can be formed only after some thirty or forty years of a special class of observations. Brighton, April 18//;, 1900. Herbert Spencer.