January 25, 1918. THE COLLIERY GUARDIAN. 205 George Fletcher & Co. Ltd. DERBY. SPECIALISTS IN COLLIERY, MINING AND CEMENT WORKS PLANT. PATENTED BUCKETS - If - your water end of pump gives you trouble, Write us for List B, “AMARILLA” PATENT KEP GEAR MADE IN STANDARD SIZES. G.F SCoLO 1056. Send us your Enquiries. PUMP BUCKETS Flexible ’'rings The Rings are Flexible, they Expand Automatically to Pressure, are Always Tight, are not Split, do not cause Uneven Wear, Reducing Friction to a Minimum. SOLE PROPRIETORS: DQCING” Ltd., Stratford, London, E. 15 Telegrams: Telephone : “ Dexine, Stratford, London.” 355 Stratford. TUBE MANUFACTURERS EDWIN LEWIS & SONS LTD., WOLVERHAMPTON. Works : MONMORE GREEN and ETTINGSHALL. LIVERPOOL Warehouse: 58, SOUTH JOHN STREET. Telegrams: “LEWIS, WOLVERHAMPTON.” Telephone: No. 1147 WOLVERHAMPTON (Private Branch Exchange). SEVER, DORLING & CO. L™ Bowling Iron Works, BRADFORD. Telegrams—“FOUNDRY, BRADFORD.” ' Telephone—1644 BRADFORD. •agents Northumberland and Durham—Mr. W. E. COWENS, Scottish Union Bldgs., 90, Pilgrim St., NEWCASTLE-ON-TYNE. South Yorkshire, Derbyshire and Nottinghamshire— South Wales—Mr. D. LLEWELLIN EVANS, 120 Bute Street, CARDIFF. Manager Fan Department—R. A. YOUNG, 13, Mosley Street, NEWCASTLE-ON-TYNE. SOLE LICENCEES FOR CAPELL FANS. ARCHIBALD BAIRD & SON LTD., HAMILTON. Telegrams—Excello. Telephone—No. 57. — Makers of — GUTTA PERCHA PUMP BUCKETS, RINGS & WASHERS. AND ALL COLLIERY REQUIREMENTS. ORMEROD’S IMPROVED PATENT SAFETY LINKS For the effectual prevention of Accidents from Over- winding. THE BEST AND MOST RELIABLE SAFETY DETACHINC HOOK YET INVENTED. Advantages and full particulars on application. Sizes up to 10 Tons working load in Stock or Progress. DIPLOMAS OF HONOUR AWARDED TORONTO, LONDON & OTTAWA, CANADA, August, September and October, 1898. PATENTEE SOLE MANUFACTURER— EDWARD ORMEROD, Atherton, nr. Manchester. PRE-EMINENT FOR 25 years for efficiency, strength and reliability. New and improved design, giving larger outputs for same size of fan. RESULT OF TEST. Fan, 12 ft. 6 in. by 7 ft. Revs., 265. W.G., 8 in. Cu. ft. per min., 376,000. H.P. in air, 472. H.P. indicated, 579. Useful effect, 81’5 per cent. Estimates for Fans up to the largest capacities.