Jones, Fred R.   x  <br/><br/>
Farm gas engines and tractors  x  

 - x  
 - N. Y.   McGraw - Hill  1938  
 - xii, 486p.  
<br/><br/>
<br/><br/><label>ISBN: </label>x   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Engineering  Agriculture  
<br/><br/><label>Dewey Class. No.: </label>631.6/JOF