How to Use Popular Science Library, by Serviss and Selwyn-Brown 51133 [Full title: How to Use the Popular Science Library; History of Science; General Index] [Full author: Garrett P. Serviss and Arthur Selwyn-Brown] [Link: http://www.gutenberg.org/5/1/1/3/51133 ] [Files: ; 51133-0.txt; 51133-h.htm] Thanks to Richard Tonsing, Juliet Sutherland and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al