Scientific American, September 29, 1883 Supplement. No. 404, by Various 46684 [Link: http://www.gutenberg.org/4/6/6/8/46684 ] [Files: ; 46684-0.txt; 46684-h.htm] Thanks to Juliet Sutherland, Wayne Hammond and the Online Distributed Proofreading Team at http://www.pgdp.net David