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zdly. In the coulter beam (C.C.fig. i, with all the coul- 

 ters) moving with great eafe to the right or left, on a prin- 

 ciple of the pentagraph, by which means the drills may be 

 made ftrait; and where lands or ridges are made four feet 

 and a half, or nine feet and a half wide, the horfe may al- 

 ways go in the furrow, without fetting a foot on the land, 

 either in drilling or horfe-hoeing. 



^dly. In the feed fupplying itfelf regularly, without any at- 

 tention, fioiu the upper to the lower boxes, as it is dillributed. 



/^thly\ In lifting the pin M on the coulter beam to a hook L 

 on the axis of the wheels ; by which means the coulters are 

 kept out of the ground at the end of the land, without the leaft 

 labour or fatigue to the perfon who attends the machine. 



^tJily» In going up or down fteep hills, the feed-box is ele- 

 vated or deprefled accordingly, fo as to render the dillribu- 

 tion of the feed regular; and the feed being covered by a 

 lid, is fcreened from wind or rain, 



Thefe are fome of the advantages appertaining to the above 

 improved drill; which, though confiderable in the procefs of 

 drilling, are as nothing, compared with thofe which arife 

 from the ufe of the horfe-hoe; of which it may fuffice to 

 fay, that from eight to ten acres are commonly hoed in one 

 day, with one man, a boy, and a horfe, at the trifling expence 

 of fixpcnce or eightpence an acre, in a llile far fuperior to, 

 and more effeftual, than any hand-hoeing whatever; alfo per* 

 formed at times and feafons when it is impofTible for the 

 hand-hoe to be ufed at all. 



From 



