CULTIVATOR. 



may encoimtor in their progress 

 through the soil is brought to the 



surface and rolled up to the face of 

 the tines, when it loses its hold, and is 



thrown off (at h, b, h, b, h), always re- 

 lieving itself from being choked, how- 



ever wet or foul the land. 3. The 

 mode by which this harrow can be 



so easily adjusted to work at any 

 depth required renders it of great val- 

 )ie; tliis is done as quick as thought 

 T 



by moving the regulator (c) upward 

 or downward between the lateral 

 spring {d, c) ; and by each movement 



217 



