270 



FELLING AND CONVERSION OF TIMBER. 



-pig, 167. Murgtal Black Forest sledge. 



Fig. 168. Middle Khine- Valley sledge. 



Fig. 169. Alpine sledge for butts 10-15 feet long. 



Fig. 170. Southern I'.lack Forest sledge.* 



* Gayer recommends the sledge shown in Fig. 170 on account of its lightness 

 and simplicity, and because by pressing on itfl runners in front, it can be easily 

 checked in speed. 



