Power to produce. 

 - xiii, 480 pages :  illustartion, plates. ;  24 cm 
 - Its Yearbook of agriculture, 1960.   1960. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power (Mechanics)<br/>Farm mechanization<br/>Agricultural implements<br/>Agricultural machinery
<br/><br/><label>LC Class. No.: </label>S21  / .A35 1960