Popular Science Monthly 



551 



A small tractor pulling two binders while harvesting oats 



The designer of 

 this machine de- 

 scribes it as a 

 "four-to-five 

 'horse- pull' 

 sieve-grip" ma- 

 chine. It is here 

 shown with tan- 

 dem disks. The 

 peculiar wheel 

 construction is 

 intended to se- 

 cure traction ; 

 in fact, its trac- 

 tion efficiency is 

 very high in pro- 

 portion [to the 

 weight and mo- 

 tor power 



The use of the smaii tractor lor Lhrcstim^ m Lnu iieia iid^ luim. luLu v% la 

 owing to its manifold advantages over the old method 



the West 



