644 , Report on the Trials of Implements at Bedford. 



way when tlie coulter gets a sudden shock ; by this arrangement also, the 

 seed-pipes may be bent to the side, in order to suit the coulters when they 

 are altered. The lower seed-pipe extends through the coulter lever, and is 

 fastened to it by a pin joint. The coulters are arranged on two stay-bars, 



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which is a good arrangement, giving plenty of space between the coulters . 

 The coulter levers are raised and pressed by means of the ordinary wooden 

 roller and chains, with five lever-handles attached, instead of four. The 

 seed-box is raised and thrown out of gear by an inclined lever, which is 

 placed loosely through a slot in the hand-lever, so that in pulling ^this 

 hand-lever backwards or forwards the box is raised or lowered. 



