Page:Popular Science Monthly Volume 88.djvu/579

 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

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