DRYING THE BARK. 



649 



being placed, as in Fig. 355, against a horizontal pole sup- 

 ported by two forked stakes, the rough bark outside. At 

 Lorch, several poles are placed parallel to one another, with 

 one end on the ground and the other on a pole supported by 



Fig. H .").">. Drying bark on trestles. 



two forked stakes, thus forming a gently sloping stage, usually 

 towards the south, and on this the rolls of bark are placed to 

 dry ; or the stages may be horizontal, the poles being sup- 

 ported by pairs of forked stakes, and the bark placed on it. 



Fig. 356. Method of drying bark. 



In the Rhine- valley, drying on trestles is most usual, the 

 bark being supported on stakes driven crosswise into the 

 ground (Fig. 356). In this case it is necessary to place the 

 rolls of bark so that they overlap one another, and with the 

 outside uppermost. The looser they are placed, and the fewer 



