Boys' Second Book of Inventions, by Ray Stannard Baker 44188 [Link: http://www.gutenberg.org/4/4/1/8/44188 ] [Files: 44188.txt; 44188-8.txt; 44188-h.htm] Thanks to Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Chuck