Construction and operation of some steeply graded routes. This chapter describes a number of these systems based on gauge and geographical or traffic conditions. The Darjeeling-
Carrying trains over mountainous gradients. This section describes the Fell system, the Abt system, the Snowdon Mountain Railway, the Blenkinsop system, the Locher system, the Riggenbach system and the Wetli system. Concluded from part 25.
The Snowdon Mountain Railway
THE SNOWDON MOUNTAIN RAILWAY in Wales employs the “Abt” system illustrated here. This type of rack rail, patented in 1882, has teeth cut in the edges of narrow rectangular bars which are fitted in pairs to the sleepers so that the teeth of one rack are opposite the indents of the other.
The Terminus at Antwerp
THE TERMINUS AT ANTWERP, an important station on the Belgian National system. One of the four half-
Rack Railway Locomotive on the Nilgiri Branch, South Indian Railway
AN ABT SYSTEM rack railway locomotive built by the Swiss Locomotive Company, Winterthur, for the Nilgiri branch of the South Indian Railway. The cylinders driving the axles operating the rack pinion axle can be seen above the adhesion engine with its long
Stephenson Valve Gear
STEPHENSON VALVE GEAR, the joint invention of Williams and Howe in 1842, was first applied to locomotives by Robert Stephenson & Co, and is still in use throughout the world. This picture shows a working demonstration model of the gear in the Science Museum, South Kensington.