water is available at the top of the incline. An example of this type of cable railway is the passenger carrying Lynton and Lynmouth Cliff Railway. Locomotive-hauled An uncommon form of cable railway uses locomotives, fitted with a winding drum, to power the cable. With the cable or chain attached to the wagons to be drawn, but the drive to the drum disengaged, the locomotive climbs the slope under its own power. When the cable is nearly at its full extent, or when the summit is reached, the locomotive is fastened to the rails and the cable wound in. In a simpler form the cable is attached to a locomotive, usually at the upper end of the incline. The locomotive is driven away from the head of the incline, hauling wagons up the inclined plane. The locomotive itself does not travel on the steeply graded section. An example is at the Amberley Chalk Pits Museum. This is most commonly used for a temporary incline where setting up the infrastructure of a winding drum and stationary engine is not appropriate. It is similarly employed for recovery operations where derailed rolling stock must be hauled back to the permanent track. Non-inclined cable railways While the majority of cable railways moved trains over steep inclines, there are examples of cable-haulage on railways that did not have steep grades. The Glasgow Subway was cable-hauled from its opening in 1896 until it was converted to electric power in 1935. Hybrid cable railways A few examples exist of cables being used on conventional railways to assist locomotives on steep grades. The Cowlairs incline was an example of this, with a continuous rope used on this section from 1842 until 1908. The middle section of the Erkrath-Hochdahl Railway in Germany (1841–1926) had an inclined plane where trains were assisted by rope from a stationary engine and later a bank engine running on a second track. The height difference was 82 metres over a 2.5 kilometre length (1845–1926) Examples The Denniston Incline (1879–1967), north of Brunner, New Zealand, was gravity worked. It descended in a track distance of , separated into two inclines, and during its life carried of coal. The Yosemite Valley Railroad operated a cable railway at Incline, California. The Duquesne Incline in Pittsburgh, PA was completed in 1877, and is long and high. 1891 – The Johnstown Inclined Plane, in Johnstown, PA, was completed following