280 
TIMBER 
creosote to penetrate) which is placed in iron or steel 
cyhnders 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 
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 ; — 
Fig. 40. — Creosoting Tank empt3^ 
