9 Sept., 3907.] 



Grading and r.evcUiiig. 



529 



faced with iron plate, serve for the scraper to ride on when tipped, and 

 serve also to facilitate the pulling back into working position when re- 

 quired. The tail-board is long, 3 feet 9 inches, and is hinged to the 

 planks. The cutter may be set at different working angles by means of 

 a tie rod as illustrated. In use the driver .stands on the tail-board, his 

 weight pressing the cutting edge into the ground, which has been ploughed 





SIDE VIEW. 



1^ 



l^■'^l* OCECON 



BACK VIEW 



6 O' 



SECTION AB ?"ROM FRONT. 



PLAN LDOKINC DOWN. 



THE PERKINS .SCRAPER. 



if too hard to be shifted without. When his weight is removed, the 

 drag of the team turns the scraper over and distributes the load. As 

 shown, it will shift over one cubic \ard a trip, and is a heavy working 

 tool for a four-horse team. This form has but few of the merits of 

 the steel scraper alreadv described, and will not, except in very light 

 sandy soils, do such cheap work in muck shifting as the scoop 



