January 4, 1918. THE COLLIERY GUARDIAN. 43 “CAMEL HAIR” BELTING. GOODALL CLAYTON & Co. Lo (REGISTERED TRADE MARK) LEEDS. The Strongest, most Flexible, and most Durable Belting obtainable. 40 YEARS Unblemished Repu- tation as a power transmitter of highest efficiency. All genuine belts bear our registered trade mark. Telegram* :— “Vertical, Leeds.” Telephone :—1982, Leeds. 1— & MAKERS AND ERECTORS OF SCREENING PLANTS, PICKING BELTS, SCREENS, PITHEAD GEARS. SOLE MANUFACTURERS: F. REDDAWAY & Co. Ltd., PENDLETON, MANCHESTER. London : 5 0/5 1, Lime Street, E.C. BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c. GAS RETORT INSTALLATIONS, CONVEYING PLANTS. Representatives H. L CHESTON, Clarendon House, Boston Spa, York* W. OGDEN DAYSON. 1. Mount Street Swansea far South Wnhvs E. C. THEEDAM DUDLEY, Wore., Factors and Manufacturers of Colliery Requisites. Mechanical & Electrical SIGNAL BELLS. Ordinary and Indicating Signal Bells (Mechanical and Electrical) with Indicator and Non-accumulative Ringing Lever or Key, ELASTIC ENAMELLED PLATES FOR NOTICES IN COLLIERIES & MINES. Abstract of C.M.R. Act, General Regulations, Signals (Winding, Sinking & Haulage), Electricity Notices, Restoration Plates, &c. LTD 1 RAISE Coal Baskets, Steel Chimneys, Coal| i Rakes, Elevator Buckets, Mining Kibbles, Haulage Clips, Barrows, Pit Tubs, &c. ANNALS OF COALMINING & THE COAL TRADE. Bt Post, 25s. 9d. BY ROBERT L. CALLOWAY. Price 35s. net. The Colliery Guardian Co. Ltd., 30 & 31, Furnival Street, Holborn, London, E.C. 4 DON’T WASTE TIME use FASTNUTS No TROUBLE to FIT or REMOVE. No damage to bolt. Specified and used by the War Office AND Admiralty. SAMPLES, and SAVE TIME & MONEY. One firm use over 200,000 monthly. IN USE on over 60 Collieries. Calendar and Matchcase, FREE. We develop and purchase good mechanical patents. ----- “ FASTNUT ” Ltd., 159-161, Gt Portland SL W. I. Malleable Iron Castings] Rr@m g Wade AIR. COMPRESSORS --------fl--- STEEL ALLOY CASTINGS THOMAS £ HALE LTD Staffordshire. Totally Enclosed and Perfectly Dustproof. Need the minimum of attention. THEY ARE Particularly suit- able for working in Dusty situations. n 1 EFFICIENT DURABLE ACCESSIBLE SIZES: 5 to 1,000 c. ft. ANY DRIVE, Fixed or Portable. --- ON ADMIRALTY AN. "Hal*, Founder. Wal.aU." “ Malrteel, M*nch*W«r." Fairman. Glasgow." WAR OFFICE LOTS. ----------- T (WaWl, 408 at. «.) ‘•iff? ( Mancha.t«r, 20. PentS. ( Glaaaow. 210. C«*