Scientific American Supplement No. 275, by Various 8195 [Link: http://www.gutenberg.org/8/1/9/8195 ] [Updated edition of: etext05\8027510.txt, 8027510.zip] [Files: 8195.txt; 8195-8.txt; 8195-h.htm] Corrections have been made in this file and it has been updated with the new header, removed from its old address in etext05, and filed under the new directory system. An HTML version has been provided. Thanks to Olaf Voss, Don Kretz, Juliet Sutherland, Charles Franks and the Online Distributed Proofreading Team. Regards, Al