Perry, John . <br/><br/>
Spinning Tops /  Textual Documents 
John Perry. 
 - 1st ed. / 
 - London :  Society for Promoting Christian Knowledge ,  1910. 
 - 149p. :  ill ;  18cm . 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Gyrostat G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523.28  / P 42 S