Perry, John,  1850-1920. <br/><br/>
Spinning tops and gyroscopic motions / 
John Perry. 
 - New York :  Dover Publications ,  1957. 
 - 102 p.:  ill. ;  21 cm. 
<br/><br/> "An unabridged and unaltered republication of the last edition of th e work originally published under the title, Spinning tops." 
<br/><br/><label>LCCN: </label>57-003845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tops.<br/>Gyroscopes.<br/>Gyro compass.
<br/><br/><label>Dewey Class. No.: </label>531.34