Pumps and Hydraulics, by William Rogers 56339 [Link: http://www.gutenberg.org/5/6/3/3/56339 ] [Files: 56339-0.txt; 56339-h.htm] Thanks to deaurider, Brian Wilcox 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