[ 354 ] 



lieams, and through the hole A C in the ftandard, and 

 through the ftaple P in the tail of the plough, and up again 

 through the other hole A C, through a ring in the heam 

 to the ring in the bit of the outfide of the halter on the 

 other horfe. A coupling -line is fixed from the infide ring 

 of the halter of one horfe to the infide ring of the other 

 horfe's halter; by this means the ploughman, pulling the 

 line on either fide of the tail of the plough, readily guides 

 the horfes which way he pleafes. 



btbly. The horfes' traces mould be fo (hort as barely to 

 clear their hocks when in their work; in fact, the horfes 

 fhould be brought back as near as pofllble to the point of 

 draught. 



■ 

 Jtbly. The plough when well conftrucled mould, wheri 



(landing in its work, reft only upon the hind part of the 



head (C) and the edge of the (hare H; in other words, it 



fhould have the lead pofllble friction. 



Stbiy. Complex as this plough may appear to be, the 

 various methods of altering it are fo fimple, that every 

 common ploughman knows how to do it readily. 



gibly. The fuperior advantages of the Norfolk plough, 

 over every other fort that I have feen (except thofe con- 

 ftrucled on the fame principles, though varied in their 

 form) are many. A few I will mention, that gentlemen 

 may be better able to judge of its fuperior utility. 



Firft, It goes with only two horfes without a pfough- 

 boy. This, probably, will be matter of furprize; but I 



aver, 



