( 62 ) 
grain can escape with the straw. The expense 
of the machine will be from fifty to seventy dollars, 
exclusive of the moving power, which is a wheel, 
about ten, feet diameter, on an upright shaft, to 
which a lever is fixed to hitch the horse. Into this 
main wheel, a small one should be made to work, 
about two feet diameter, on a shaft carrying a drum 
four feet wide. With this simple gearing, and 
drawn by a horse that walks well, the machine will 
give about eighteen hundred strokes in a minute, 
and if fully attended, will, without hard labor for 
the horse, thresh a Lushel every three or four minutes. 
It stands in my barn, and may be seen and examin- 
ed by any one,’’(1) 
V. The Fanning Mill; Other things being equal, 
the cleanest wheat is most easily preserved, and, on 
manufacture, gives the best flour and in the largest 
quantity. These considerations offer inducement 
enough for the employment of this machine, which, 
besides doing its business well, saves a great deal 
of time. It is too well known to require descripr 
tion. 
~ (1) Mr. L, MKeen, Poughkeepsie. 
7 D+ 
. SECTION VI. 
Of Manures---their management and ap- 
plication. 
Tue principle of fertility, (the result of animal 
and vegetable decomposition,) is, as we have seen, 
