Tunneling: A Practical Treatise., by Charles Prelini                     60043   [Link: http://www.gutenberg.org/6/0/0/4/60043 ]   [Files: 60043-0.txt; 60043-h.htm] Thanks to deaurider, Harry Lamé and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Chuck