WOOD TRANSPORT BY LAND. 



than a man can cany (Fig. 210), i.e., 3545 kg. (76 lOOlbs.). 

 Whilst on the main lines consecutive rails are fastened 



Fig. 210. Laying the lines. 



together by plates and bolts, in the portable portions they 

 must be attached so as to link and unlink with one another 



Fig. 211. Fastening for the rails. 



quite easily, as shown in Fig. 211. This costs sixpence a 

 meter cheaper than the usual method of fastening rails, 



Fig. 212. Junction between two lines. 



while the cost of maintenance of the portable lines in 1900 



was 45'6 % and in 1901 35'9 % of the cost of permanent lines. 



Bieran, at Schizmede in Blears in 1898, gave up sleepers 



and laid heavy steel lines 9 meters long and weighing 1G kg. 



