[ 2§4 ] 



means of the meafures, conftru£t them with 

 tolerable accuracy, I. i. The handles. 



2. The hopper, 9 inches broad, 10 

 deep, 3 wide at bottom, with a hole 

 at the bottom, 2~ inches diameter, 

 for the feed to fall through into the 

 cavities of the roller (16), and thrown 

 by that through a hollow in the tail 

 of the plough ( 1). 



3. A wheel 2 feet diameter, with an iron 

 rim faftened to the plough by a 

 moveable iron (5), and to the han- 

 dles by a chain (4). It turns the 

 roller (16) within the plough, by an 

 iron (20) jointed in the middle, 

 which goes through the hollow of 

 it (17), and keeps the wheel a foot 

 from the plough. By means of the 

 chain (4), the ploughman lifts up 

 the wheel, and flops the feed from 

 fhedding at the headlands. 



6. An iron fcrew two feet long, which 

 turns againft the fpring (19), let into 

 the plough againft the cavities (18) 

 of the roller (16), bv means of which 

 the aperture for the feed to be thrown 

 through is larger or fmaller according 

 to its kind or quantity. 



7. The fhare. 



8. The beam 7 feet 8 inches long, 5 

 inches fquare, one third of the length 

 from the handles, and then 3. 



9. A 



