Scientific American, Dec. 1887, by Various 50927 [Full title: Scientific American Architects and Builders Edition, No. 26, Dec, 1887] [Link: http://www.gutenberg.org/5/0/9/2/50927 ] [Files: ; 50927-0.txt; 50927-h.htm] Thanks to Juliet Sutherland, Brian Wilcox and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al