280 TIMBER 



creosote to penetrate) which is placed in iron or steel 

 cylinders 6 to 9 ft. in diameter and of various lengths up 

 to 150 ft. and over, having tightly fitting cast-iron doors at 

 each end. The timber, if in logs, is placed on bogies and 

 run into the cylinders, which are fitted with rails to suit 

 their gauge, or in the case of telegraph poles or smaller timber 



FIG. 40. Creosoting Tank empty. 



it is lifted or pushed in. The doors are then secured with 

 screwed bolts, the tanks filled with creosote, and the 

 pressure applied for a shorter or longer length of time 

 dependent upon the size, quality, and condition of timber 

 (see Figs. 40 and 41). 



The specification which the author has used for many 

 years for Baltic and pitch pine timber and has found very 

 satisfactory is as follows ; 



