Lecture on Artificial Flight, by Wm. G. Krueger 38109 [Subtitle: Given by request at the Academy of Natural Sciences] [Link: http://www.gutenberg.org/3/8/1/0/38109 ] [Files: 38109.txt; 38109-8.txt; 38109-h.htm] Thanks to Chris Curnow, Ernest Schaal, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al