206 



SCIENCE OF SUCCESSFUL THRESHING. 



bearings, making them heat. Then, too, tight belts have 

 been known to break off a shaft. 



FT r 



FIG. SO. LEATHER BELT LACINGS. 



Lacing Stitched Canvas Belt. A stitched canvas belt, 

 though highly satisfactory in other respects, is often con- 

 demned because the lacing will not hold. It can, however, 



