The Sperry Gyro-Compass, by The Sperry Gyroscope Co 52053 [Link: http://www.gutenberg.org/5/2/0/5/52053 ] [Files: 52053-0.txt; 52053-h.htm] Thanks to deaurider, RichardW, 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