September 1, 1916. THE COLLIERY GUARDIAN. 395 GOODALL, CLAYTON & Co. Lo. LEEDS. Telegrams :— “Vertical, Leeds.” Telephone:—1982, Leeds. Keith Centrifugal Fans MAKERS AND ERECTORS OF SCREENING PLANTS, PICKING BELTS, SCREENS, PITHEAD GEARS. BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c. GAS RETORT INSTALLATIONS, CONVEYING PLANTS. Illustration shows a large Double Inlet Keith Mine Fan at our Works. For Mine Ventilation, and Induced Draught, Keith Fans of the largest sizes are in extensive use. Hand-geared Keith Fans also supplied for ventilating small Headings, etc. We have a wide experience in the application of Fans and Blowers, and our expert knowledge is at the disposal of clients. James Keith & Blackman C“ Ltd Representatives:—H. L. CHESTON, Clarendon House, Boston Spa, Yorks. W. OGDEN DAYSON. 1, Mount Street. Swansea, for South Wales- 27, Farringdon Avenue, .... LONDON. And at Manchester, Newcastle, Cardiff, Leeds, Glasgow, Edinburgh, &c. TANGYES “H.T.” Type GAS ENGINE With “VARIABLE ADMISSION” GOVERNING. “WORKS LIKE A STEAM ENGINE.” 4. . FOR DRIVING ALTERNATORS IN PARALLEL. SINGLE CYLINDER OR COUPLED ENGINE. Catalogue, with full particulars, on application to — TANGYES L TP BIRMINGHAM. No. 205 D