\ 



610 



IMPROVEMENT OF 



through Into the feed-flues, as in the machine before defcribed 



but ill this th 



but a wooden or iron bar BB 



£g. 3. Plate XII. about two inches broad, and about four feet 

 in'ches long, and exaaiy three eighths of an inch thick '^'~ 

 this bar there are fix perforations, e e e, &c. which are each of 



Through 



d.\y one inch 1 

 .nch deep, wh 



d half an inch 



ide ; and three eighths of 



is the thicknefs of th 



ba 



Th 



f 



thefe holes are exadly eight inches diftant franq each oth 



fpondent to the holes at th 



bottom of the feed-bo 



ch it 



de to Aide backward and forwards in a groove. By this ilid 



o 



motion it pafles under ftifFbrufli 



hich are placed over it on each 



end of the holes at the bottom of the feed-box, and ftrickle off th 



gram, 



the holes in the fliding-bar pafs under them, 



which th 



meafure out the quantity with confiderable accuracy 

 In order to increafe or dirninifh the quantity c 



f 



crrain delivered 



9 



the fiider is covered with a cafe of tin C C, fig. 4? 



Plate XII 



hich 



has fix perforations exactly correfponding with the Holes in. the Hider 



9 





but inftead of the bit of tin Being cut out the whole length of th 



hole, part of it is left 



the end / 



fie. ,6, equal to the thicknefs of 



b 



the did 



d is bent down as at i^, aft 



aid 



P. 



cafe, like the tin cylind 



in 



th 



preceding mac 



Th 



"into th 

 is cafe ; 



moveable about one inch backward and forward by turning the fi 

 fcrew J,, fig. 4 and 5:; and thus the holes are made larger or le 

 fuit variousTorts of grain, or different quantities of the fame (o 



Q 



C(\y as in th 



den and tin cylinders in Plate XI 



ed forwards-by a bent iron pi 

 a ferpentine groove. Y, fig. 5, 



b attached to it. 



fi 



X 



d 



the nave of th 



'^ 



fl id e r 

 h pafTc 

 wheel 



1 



s 



d of the feed-bo 



and backwards by a fleelfpring at the other ei 

 which is not reprefented in the plate, 



Fio-. 5 is a bird's eye view of the parts before defcribed 

 feed- box divided into cells by the partitions dJ, & 



I 



: E E the 



the fiider, 



wath 



( 



^ 



( 



) 



y 



