Full speed ahead against the snow masses Rotary snow-plough Xrot m No 100 Rotary Gotthard Railway GB 1895 The snow-plough body contains the boiler and a twin-cylinder steam engine driving the bucket wheel, which is nearly 3 metres in diameter. The cutting blades were adjustable to cope with the varying hardness of the drifts. The jet of snow that was hurled away could be directed as far as 90 m sideways and up to 18 m in height. This patent was developed by Leslie Brothers for the Rocky Mountains in North America, and was superior to competitive products available there. Henschel SLM 87t 515kW 2 using saturated steam 12 bar propelling speed when operating 10km/h restored by CFF