Sentence:  The nature of my invention consists in curving forward that portion of the scythe snath below the right nib or <WSD>thole</WSD>, to such an extent as to form an obtuse angle between the scythe and snath at the point where they are joined, and also in such a manner as to equalize the labor between the right and left hands; whereas, in snaths now in use, the greatest amount of labor falls upon the right arm. 
Meaning of the word marked with <WSD> tags:  A pin, or handle, of the snath (shaft) of a scythe.