C 83] 
I 
to the foregoing ; and the third is keeping 
the bottom of. the plough parallel, in all its 
points and bearings, to the surface of the 
earth, moving or stirring an equal depth ol: 
soil ; in effe61ing which several points, the 
ploughs commonly used in the counties we 
have mentioned, have the undoubted pre- 
ference over all others in England. 
We shall now, my Lord, proceed to ex- 
plain v/hy ploughs of similar construc^lions 
to your Lordship's were approved and adopted 
in Leicestershire, Warwickshire, See. See. In 
those counties the common ploughs were 
found extremely clumsy and heavy, the power 
to move them being placed at a great dis- 
tance from the v ork ; and which, whether 
upon strong or light land, four heavy horses, 
at least, but generally five, were employed 
to each plough. When the double- fur- 
row plough was introduced there, the far- 
mers found that the same power, which had 
been constantly before employed m per- 
forming their ordinary business, could effect 
