The methods of threshing and winnowing were the same as those in use in ancient Egypt.
The Chaff-cutting Machines (Accidents) Act 1897 is a measure very similar in its intention to the Threshing Machines Act 1878, and provides for the automatic prevention of accidents to persons in charge of chaff-cutting machines.
The threshing-floor must be smooth and rammed hard to leave no crevices for weeds and small animals to get through.
" Wheat is moost commonlye sowne under the forowe, that is to say, cast it uppon the falowe, and then plowe it under "; and this branch of his subject is concluded with directions about threshing, winnowing and other kinds of barn-work.
On farms of moderate size it is usual to hire steam tackle as required, the outlay involved in the purchase of a set being justifiable only in the case of estates or of very big farms where, when not engaged in ploughing, or in cultivating, or in other work upon the land, the steam-engine may be employed in threshing, chaff-cutting, sawing and many similar operations which require power.