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