McCcolly, Howard Franklin,    1902- <br/><br/>
Introduction to agricultural engineering /    
Howard Franklin and Ja mes William Martin. 
 - Ne York :   McGraw-Hill,   1955. 
 - 53 p. :    ill. ;    24 cm. 
 - McGraw-Hill publications in agricultural engineering.   .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>agricultural engineering.--------
<br/><br/><label>Dewey Class. No.: </label>631.3 MACC