6o4 



at th 



IMPROVEMENT OF 



bottom than at the top, and thefe pieces of tin, wh 



down, muft exadllj fit them 



Lajily. When all thefe holes through the tin-cylinder 



b 



larged 

 ends. 



r 



at th 



th 



projed 



d the bits of tin filed rath 

 d then bent down into the excavations of the wooden' cyL..- 

 der, the other end of the tin cylinder with its fquare focket may be 

 loldered on. 



And now when the end of the tin cylinder at A is preffcd forwards 



up 



th 



wood 



above defcribed 



yhnder towards B, by 



the fcrew 



^^zxy 



f th 



radually lefTened, and finally quite clofed 

 they may be adapted to receive and deliver feeds of any fize'from 



wooden cylinder will be 

 by which eafy means 



horfe-beans and pea 



h 



greateft accuracy, fo as to fow four, fi 



barley, and to turnip-feed, with th 



or fix pecks on an acre. 



• more or lefs, as the agricultor pleafes, by only turning the fcrew 

 few revolutions one way or the other. 



Ohfervations, 



^ 



In the co.iftruaion. of the tin and wooden cjlinders beneath th. 



leed-box another fmall improvement may be neceffary in fowin- very 



fmall feeds, which is th 



As the fcrew at the end A is turned, fo 



as to contraa all the excavations of the wooden cylinder, the furface 

 of the wooden cylinder for one inch from the end of each excavation 



rds the end B, Plate XI. Fig. 4. will become bare without bein 



ered by the tin cylinder 



d on thefe bare parts of the wooden 



cylinder, which will be one inch long, and half an inch wide, fome 

 Imall feeds may chance to flick, and evade the bruflies, which fhould 



prevent them from paflin 



the cylinders 



To prevent this, when the wooden cylinder is fo placed withir 

 I cylinder, that all the holes are quite open, let a piece of th 



cylinder 



