From Henry Lee
Richmond Octr 7th 93.
you will suppose I apprehend that I am rather too solicitous for your possession of the aid of art in threshing out your crops of wheat, when the moment I have understood that the wheat mill will not be adopted by you, I should renew your attention to this subject by informing you, that two english farmers have just arrived here with a model of the machine invented in scotland for threshing out wheat.
It is worked by wind water or horses—Two small horses usually as they say get out six bushels p. hour.
I do not know what the expence of one of these machines will be, but presume not more than 100 dollars will be asked for one fitted for two horses—I have engaged one, when it is completed & proved to be useful by actual experiment, I will then if you choose procure one for mount vernon & send it to you by water. I have the honor to be sir with most affec. respect & regard your ob. st