Appletons' Popular Science Monthly, December 1899, by Various 47024 [Subtitle: Vol. LVI, November, 1899 to April, 1900] [Editor: William Jay Youmans] [Link: http://www.gutenberg.org/4/7/0/2/47024 ] [Files: 47024.txt; 47024-8.txt; 47024-h.htm]
Thanks to Judith Wirawan, Greg Bergquist and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) David
