Toft, Louis  Kersey, A. T. J.  <br/><br/>
Theory of machines  / 
by Louis Toft and A. T. J. Kersey 
 - 5th ed. 
 - London :  Sir Isaac Pitman & Sons, Ltd. ,  1943 . 
 - 494 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion, vectors<br/>Elements<br/>Centre of gravity
<br/><br/><label>Dewey Class. No.: </label>621.8  / LOU-T