[ 76 ] 



incb/ffs, by the rocking tree's being turned 

 partly round by the lever, the rope is then fixed to 

 it, by putting a loop at the end of the rope over 

 the pin R. No. 3, (it ought to be placed three kct 

 four inches from '^ the;' extremity : of the ' lever. I.) 

 which keeps all the ciitting wheels out of the ground 

 till the machine is turned, and then, by moving.the 

 loop of the pin, , it flips back towards the frame, and 

 the lever is gently let back to its place, as in No. 2, 

 by which the cutting wheels are put ihto their for- 

 mer pofture, by the weights fixed on: the) bulls in 

 t^hich they run. The levers may be made of good 

 tough aih. 



P. No. I, a fmall bolt of iron, with a hook on 

 one end of it, (one is fufBcient) to flrengthen the 

 bolt M. to be hooked on the centre of :it, ;mid 

 joined to the frame by a nut and fcrew. 



'■' The grooves, in which the cutting wheels run, 

 may be covered below -at the hinder part with a 

 plate of thin black iron, fix inches long, three in- 

 ches broad, having a flit in it where the tvheels 

 run, to prevent (if found neceflfary) any grafs, 

 weeds, or fmall Hones, from filling the grooves, and 

 ^ clagging the wheels i the form of which is fecn ^t 

 the letter L ' 



• To 



