Induction Coils, How to Make, Use, and Repair Them., by H. S. Norrie     54221   [Subtitle: Including Ruhmkorff, Tesla, and medical coils, Roentgen               Radiography, etc. etc.]   [Link: http://www.gutenberg.org/5/4/2/2/54221 ]   [Files: 54221-0.txt; 54221-h.htm] Thanks to Chris Curnow, Les Galloway 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