[posted] Posted (#69831, Forbes) !

[Roger Frank]

A History of the mathematical theories of attraction and
   the figure of the earth from the time of Newton to that
   of Laplace. Volume 1                                      69831
   [Author: Isaac Todhunter]
   [Link: https://www.gutenberg.org/6/9/8/3/69831]
   [Files: 69831.tex; 69831.pdf]

Thanks to the Online Distributed Proofreading Team at
https://www.pgdp.net (This file was produced from images generously
made available by The Internet Archive)

Regards,
Roger