The Mentor: Great American Inventors, by H. Addington Bruce 49893
[Full title: The Mentor: Great American Inventors, Vol. 1, Num. 29,
Serial No. 29]
[Link: http://www.gutenberg.org/4/9/8/9/49893 ]
[Files: 49893-0.txt; 49893-h.htm]Thanks to Juliet Sutherland and the Online Distributed Proofreading Team at http://www.pgdp.net David
