HORSE-RAKES. 155 



ing this frame backward off the points, and raising 

 them enough for the forward row to catch the earth. 

 The continued motion of the horse causes the teeth to 

 rise and revolve, tlirowing the backward teeth fore- 

 most over the winrow. In this way each set of teeth J 

 are alternately brought into operation. J^ 



The cost of the revolving rake, well made, is about ^ 

 four times that of the simple horse-rake, but on large 

 meadows it possesses the superior advantages of expe- 

 dition and ease in working. 



The Spring-tooth Horse-rake, Fig-. 132, has been 



Spring-tooth Horse-rake. 



much used, and has proved a valuable implement. The 

 teeth are made of stiff, elastic wire, on the points of 

 which the rake runs, and not on the flat sides, as in the 

 two already described. They bend in passing an ob- 

 struction, and spring back again to their place. This 

 rake is unloaded by simply lifting the handles, which 

 is easUy done, the rake being light, and about one half 

 the weight being sustained by the horse. It is pecu- 



