370 



IMPEOVED THRASHING MACHINE. 



is in the fans of the two finishing fanners, which are each made 

 with only two blades, fixed to a single arm of wood in the 

 middle; this, while it gives a sufficient and perfectly steady blast, 

 materially simplifies the construction of the case, which is made 

 in one piece — the openings in the body of the fanner and at the 

 centre being sufficient for putting in or taking out the fan blades 

 and their axle. 



Figure 1. 



Figure 2. 



