May 11, 1917. THE COLLIERY GUARDIAN. 889 - it- your water end of pump gives you trouble Write us for List B PATENTED BUCKETS NEVER PASS Ports to admit pressure o SOLE PROPRIETORS: Expand Always Uneven The Rings are Flexible, they Automatically to Pressure, are Tight, are not Split, do not cause Wear, Reducing Friction to a Minimum. D6XINC Ltd., Stratford, London, E. 15 Telegrams: Telephone: “ Dexine, Stratford, London.” 355 Stratford. PUMP BUCKETS Spacefor water pressure BLOWING AND EXHAUST Flexible "rings FANS BLOWING HEATING LOCAL TUNNELS FOR BRAZING, RIVET and FORGE FIRES, VENTILATION of and MINE DRIFTS, &c. These Fans are strongly built to withstand hard usage, and are HIGHLY EFFICIENT. JAMES KEITH & BLACKMAN Co. Ltd. 27, Farringdon Ave. : : LONDON, E.C. 4. ^IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIH TANGYES “H.T.” Type GAS ENGINE With “VARIABE ADMISSION” GOVERNING. “WORKS LIKE A STEAM ENGINE.” -iAweve 4^ „___ FOR DRIVING ALTERNATORS IN PARALLEL. SINGLE CYLINDER OR COUPLED ENGINE. Catalogue, with full particulars, on application to — TANGYES LIP BIRMINGHAM. No. 205 D