October 25, 1918. THE COLLIERY GUARDIAN. [supplement PAGE VII.] 885 A high return on outlay assured with coal at present abnormal Reduces the coal consumption 15 to 20 per cent. price. ■ Every ton of coal saved by the Initial cost of Economiser repaid SAVES ONE WAGON Economiser at a colliery is another in many instances in two to three OF COAL ton for sale at market price. years. A reduction in the coal account means an increase in dividend. IN EVERY FIVE. ECONOMISER^ Coal saving commences imme- diately Economiser is connected up. _____ Write for Pamphlet “ B.Q.” to: Steaming capacity of boilers in- eiihi XL; 11 HI * , "gMfa*Hwr!m 1 >y J V '/ E. GREEN t, SON L? creased. < COPYRIGHT Economiser Works, WAKEFIELD. THE BRITISH ROPEWAY Tele:&raI.1^^ 7, MINCING LANE, DISPOSAL OF PIT REFUSE. Are you short of Men ? Are you short of Wagons ? AN AERIAL ROPEWAY Will overcome these difficulties. Send us your enquiries. ENGINEERING Co. Ltd., LONDON, E.C. 3. SELF=LUBRICATING STEAM ENGINES Simple, Compound, and Triple=Expansion Types. Our aim has always been the production of the most efficient and reliable Engine rather than the cheapest. ft s ■I* ■ ' Three-throw Triple.Expansion Engine and Dynamo. Our Engines are imitated but not excelled, as proved by the large number of repeat orders. ESTABLISHED 1852. BELLISS Telegrams : “BELLISS, BIRMINGHAM.” & MORCOM LIMITED, BIRMINGHAM. LONDON OFFICE : 8, VICTORIA STREET, 5.W. 1.