Scientific American, August 10, 1878, by Various 43282 [Full title: Scientific American, Vol. XXXIX.—No. 6. [New Series.], August 10, 1878] [Link: http://www.gutenberg.org/4/3/2/8/43282 ] [Files: 43282.txt; 43282-8.txt; 43282-h.htm] Thanks to Colin M. Kendall, Juliet Sutherland and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al