By Sperry Gyroscope Company.
Salt Lake City, UT : Project Gutenberg, 2016 .
1 online resource : , Release date is 2016-05-12

Place hold on The Sperry Gyro-Compass

By Perry, John,.
Salt Lake City, UT : Project Gutenberg, 2010 .
1 online resource : , Release date is 2010-11-09

Place hold on Spinning Tops :

By Newcomb, Simon,.
Salt Lake City, UT : Project Gutenberg, 2003 .
1 online resource : , Release date is 2003-05-01

Place hold on Side-Lights on Astronomy and Kindred Fields of Popular Science

By Chalmers, T. W..
Salt Lake City, UT : Project Gutenberg, 2018 .
1 online resource : , Release date is 2018-05-22

Place hold on The Gyroscopic Compass: A Non-Mathematical Treatment