40 



form of a triangle, and with hooks on them to hang 

 the sheaves on ; or a hoop put round with hooks 

 to put the sheaves on, either of the ways will be 

 found simple and of very trifling expense. 



I have the honour to be, 



My Lords and Gentlemen, 

 Your most obedient and very humble Servant, 



R. M. 



Stirling, l 21st September 1826. 



Sketch of' a Winnowing Machine. 



