Toft, Louis. <br/><br/>
Theory of Machines 

 - 6th ed. 
 - London  Pitman  1949 
 - x, 540 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery
<br/><br/><label>Dewey Class. No.: </label>621  / T644