[posted] Posted (#67386, Somerville) !

[ajhaines]

A Preliminary Dissertation on the Mechanisms of the Heavens, by Mary S 67386
  [Full title: A Preliminary Dissertation on the Mechanisms of the Heavens]
  [Full author's name: Mary Somerville]
  [Author: Mary Somerville]
  [Link: https://www.gutenberg.org/6/7/3/8/67386]
  [Files: 67386-0.txt; 67386-h.htm]

Thanks to Laura Natal Rodrigues (Images generously made available by Hathi
Trust Digital Library.)

Regards,
Al