Mechanics, by A. Russell Bond 49445 [Subtitle: The Science of Machinery] [Link: http://www.gutenberg.org/4/9/4/4/49445 ] [Files: 49445-0.txt; 49445-h.htm] Thanks to Giovanni Fini, Juliet Sutherland and the Online Distributed Proofreading Team at http://www.pgdp.net David