TOOLS FOR UPROOTINO TREES AND STUMPS. 



93 



B and B ' are hitched forward alternately a link or two at a time, 

 until the tree is completely pulled over. 



The thrust pole (^Fig, 44) consists of (i) a straight stout pole P, 



Fig. 44. 



The Thrust Pole. {After Gayer). 



the upper end of which is armed with a strong iron point i, while 

 an iron bar bb passes through a hole a few inches above the lower 

 extremity ; (ii) a block B of some hard tough wood, the upper 

 surface of which is serrated, and which is prevented from moving 

 backwards by the peg p driven into the ground ; and (iii) two 

 crowbars or iron levers, c, c. 



Aehclb 6. — Tools fob tjpbooting thebs and stumps. 



These tools comprise grubbing axes (already described on p. 81), 

 grubbing chisels, the forest devil (already described on p. 92), the 

 stooUiorench, the thrust pole (see above), and the screw-jack {A in 

 Fig. 45). 



