Popular Science Monthly 



147 



Above is an 8-16 horsepower tractor 

 plowing sod. Note the self-steering at- 

 tachment in front 



To the right, a small tractor which is 

 self- steering and which has a light- 

 draft two-bottom plow 



Below, a self-contained motor plow of 

 the latest type, cutting three furrows 

 at once. This illustrates one of the 

 great advantages of the tractor, for it 

 can really do multiple work, day after 

 day, and with absolute reliability. 

 Nothing but the worst sort of weather 

 can stop it or delay its work 



