McColly, H. F. <br/><br/>
Introduction to agricultural engineering / 
H.F. McColly and J.W. Martin. 
 - New York :  McGraw-Hill,  c 1955. 
 - 553 p. :  ill. ;  24 cm. 
 - McGraw-Hill publications in agricultural engineering. .
<br/><br/> Includes index. 
<br/><br/>313  313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural engineering.
<br/><br/><label>Dewey Class. No.: </label>631 / M134i