LOGGING IN THE DOUGLAS FIR EEGION. 



223 



angular in shape and composed of three 3-foot sheaves (fig. 74), is 

 mounted on its deck. The lowering cable passes around the sheaves 

 and over two rollers mounted on brackets on the side of the car. This 

 arrangement gives a clearance of 14 feet between the moving and 



^^^>.■^^^<«.^^.»■■.■^^^■^^^v^^..,^ 



^S^^f^T^ 



Fig. 71. — Loaded car, two-line railroad incline. 



dead line. This car can be equipped with a gasoline engine, thus 

 making it self-propelling. 



The lowering line never touches the ground. The dead section of 

 it rests on skids laid along one side of the- track. These are placed 

 about 20 feet apart and at right angles to the track. The moving 



Fig. 72. — Lowering car, two-line railroad incline. 



section of the line on the other side of the track leads over ordinary 

 sheaves placed about 100 feet apart, the sheaves working in stands 

 that have flared sides. On the inside of the curves the section of the 

 line leads over light twin-road rollers, while on the outside of curves 

 the dead section of the line is held in place by brackets, which auto- 



