246 



AGRICULTURAL ENGINEERING 



Tongue Trucks. The tongue truck is one of the newer 

 attachments for the binder, and is a device which is highly 

 satisfactory, especially on the wide-cut machines. It is 

 quite impossible with these wide machines to arrange the 

 hitch in such a way as to overcome side draft. The tongue 

 truck is the only satisfactory method of relieving the horses 

 of this burden. 



Engine Drive. It has become a quite common practice 

 of late to mount a small gasoline engine upon the binder to 

 drive the machinery, relieving the horses of all work except 



CANVASS OR APRON 

 ELEVATOR 



BUNDLE 

 CARRIER 



t^7 "''TWINE BOX 



DRIVE WHEEL 

 »GRAIN WHEEL PLATUUK* 



Fig. 153. The harvester shown in Fig. 152, with some of the parts 



named. 



that required in drawing the machine on its wheels. This 

 makes it possible to save a crop on wet, soft ground where 

 an ordinary binder would fail because the main wheel will 

 slip. In extreme cases the binder has been successfully 

 mounted upon skids or sled runners and used to save a crop 

 where the soil was so wet and sticky that the main wheel of 

 the binder would become so thoroughly filled with mud as 

 to refuse to revolve. 



Operation of Binders. It should be the pride of every 

 binder operator to so manage and adjust his machine that 



