352 COALFIELDS AND COLLIERIES OF AUSTRALIA. 



The coal, when raised, is tipped from revolving- side tip- 

 plers, worked by friction gear, on to shaking screens. The 

 round coal passes to a travelling picking belt, which can be 

 thrown in and out of gear by a friction clutch. A Pooley's 

 weighbridge is used for waggons. 



This company is still running two small locomotives built 

 in 1856 for use in the Crimean war (Fig. 220), but they have 

 had cabs added. In comparison to this, their No. 9 is the 

 finest privately-owned locomotive in New South Wales. (Fig. 

 221.) It weighs 90 tons when ready for work, has 21in. dia- 



C.P. 



Fig. 221.- --JSfo. 9 Locomotive. 



meter cylinders and it has eight wheels coupled. The front 

 wheels are bogies, and the back radial. This is a tank engine, 

 and was made by Kitsoii, of Leeds. 



The Lancashire boilers are fitted with Triumph automatic 

 stokers. (Fig. 222.) Automatic stokers effect economy of fuel 

 arid economy of labour. More perfect combustion is obtained 

 than by hand, and the evaporation is higher, more uniform, 

 and more easily regulated. The fire doors being kept closed, 

 less smoke is made than when frequently opened for hand feed- 

 ing; also cold air is prevented from playing on the hot plates 

 and damaging the boiler. The slack is brought to the boilers 



