Grounds of Natural Philosophy, by Margaret Cavendish 58404 [Full title: Grounds of Natural Philosophy: Divided into Thirteen Parts] [Subtitle: The Second Edition, much altered from the First, which went under the Name of Philosophical and Physical Opinions] [Link: http://www.gutenberg.org/5/8/4/0/58404 ] [Files: 58404.txt; 58404-h.htm] Thanks to Marc D'Hooghe at Free Literature David