394 AGRICULTURAL ENGINEERING 



Power and the Plow, L. W. Ellis and Edward A. Rumley. 

 Physics of Agriculture, F. H. King. 

 The Gas Engine, F. R. Hutton. 

 Gas Engine Principles, Rodger B. Whitman, 

 Farm Gas Engines, H. R. Brate. 



The Use of Alcohol and Gasoline in Farm Engines. U. S. Dept 

 of Agr. Farmers' Bulletin 277. 



