PERENNIAL FORAGE GRASSES 



the less the hay is handled the better the quality, as at every 

 movement some of the finer parts may be lost. 



B 



III. HAY MAKING MA- 

 CHINES AND MARKETING 



38. Mowing-machines 

 are almost all of one 

 type, in which the cutter 

 bar is placed at one side 

 of the drive wheels 

 (165), although there 

 is a type in which the 

 cutter bar operates be- 

 tween the drive wheels, 

 one horse walking in the 

 standing grass. The es- 

 sential features of the 

 mowing-machine are: 

 (i) the drive wheel, (2) 



the pitman, (3) the reciprocating sickle operating through 

 fixed guards, and (4) the divider by which the cut grass is 

 divided from that which is standing. The sickle is made of 



plain or smooth sec- 

 tions which are kept 

 ground to a sharp 

 cutting edge. (C. A. 

 163) The ready ad- 

 justment of the cut- 

 ter bar is accom- 

 plished by various 

 methods. The length of the cutter bar varies from three feet 

 six inches to seven feet the most common size for two horses, 

 perhaps, being five to six feet; the larger sizes are used in 



Different styles of hay tedder arms: B Coil spring; 



C flat relief spring; D flat relief spring 



sprung; E coil relief spring 



A Revolving hay rake 



