16 



fellint; and conversion. 



Another root-extractor is termed the forest-devil, and has been 

 in use for a long time in Switzerhmd and also in Germany. 

 It consists, as shown in (fi«j:. 113), of two strong iron chains 

 between which a wooden lever works. One end of the chain A is 



Fir,. 113. 



fastened to a neighbouring strong root, stump, or tree, and the 

 other is attached to the lever, at its fulcrum o. The second chain 

 B is placed round the tree or stumps to be extracted, which 

 must naturally offer less resistance than that to which A is 

 fastened ; it is connected with the lever alternately by means of 



two short chains each terminating in a hook. By then 

 moving the lever backwards and forwards and hooking first 

 one and then the other of these chains into links of B, the tree 

 or stump may extracted. 



A strong rope may be used instead of most of the length of 



