The original posting note did not record the Part number. Pumps and Hydraulics, Part 1 (of 2), 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