April 7, 1916. THE COLLIERY GUARDIAN 679 VIKING POWDER No. 1 with Charge Limit of 26 ounces. NO TH A WING NECESSARY. No. 2 with Charge Limit of 18 ounces. FIRST CLASS PERMITTEDS FOR ALL KINDS OF WORK. NOBEL/GLASGOW Purchasers’ Guide to Advertisers’ Specialities—(continued). Rakes (Pit)—Rules Baker, John, and Son, Bilston, Staffs REDUCING Gear—Bnjrenw d reduction de vitesse Coventry Chain Co. Ld., Coventry Reducing Valves (Full Bore, Standard, Ac.) —Ddtendeurs Auld, D., and Sons, White vale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Refrigerators — Appoints fur gorifiques Pulsometer Engineering Co. Ld.. Beading Reinforced Concrete Midland Counties Reinforced Concrete Co., 39 Newhall-street, Birmingham R SCUE APPARATUS—Appareils le sav/vetage British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. R E8PIR ATO RS -Respirateurs British Oxygen Co.Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Rivets—-Rwets Baker, John, and Son, Bilston, Staffs Bayliss, Jones A Bayliss Ld., Wolverhampton Lowmoor Co. Ld.,Lowmoor Ironworks, Bradford Benton, B. M„ and Co., Sheffield Theedam, E. C., Ld., Dudley Ward, Thos. W„ Ld., Albion Works, Sheffield ROOK DRILLS—Fer/oratric«s Aqueous Works and Diamond Bock Boring Co. Ld., Guildford-st„ York-road, Lambeth, S.E. Bute Works Supply Co. Ld., Cardiff Davis, John, and Son (Derby) Ld., Derby Diamond Coal-Cutter Co., Wakefield Hardy Patent Pick Co. Ld., Sheffield International Channelling Machines Ld., Sheffield Mining Engineering Co. Ld., Sheffield Sullivan Machinery Co., 814, Salisbury House, E.C. Rollers and Pulleys (Haulage)— poulies pour appareils d’att diage Bagnall, W. G., Ld., Stafford Crowther,Henry, & SonsLd., Cleckheaton, Yorks Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Benton, B. M„ and Co., Sheffield Wood, John, and Sons Ld., Wigan Rolling Stock (Railway) North Central Wagon Co. Ld., Botherham Roofs and Outdoor Buildings -Toitures et bdtiments Felber, Jucker A Co. Ld., Peter-st., Manchester Goodall, Clayton and Co. Ld., Hunslet, Leeds Isoa Foundry Co. Ld., Newport, Mon. Wootton Bros. Ld., Coalville, near Leicester Wright’s Forge and Engineering Co. Ld., Tip ton Ropes (Cotton Driving)—cordages en cotton Kenyon, Wm., and Sons Ld., Dukinfleld ROPES (Driving)-Cdbies de trans nission Kenyon, W., A Sons Ld., Dukinfleld, Manchester ROPES (HEMP AND Manilla)—Cordiges de chanvre et de manille Rope Preservative—Enduit protecteur pour cdbies ROPES (Wire)—Cordes mdtalliques Brown, W. B., and Co. (Bankhall) Ld., Liverpool Cooke, William and Co. Ld., Tinsley, Sheffield Oradock, George, and Co. Ld., Wakefield Elliot, Geo., and Co. Ld., Westminster, S.W. Glover, Wm. Jas., and Co., St, Helens, Lancs. Haggie Brothers Ld., Gateshead-on-Tyne Latch and Batchelor Ld., Hay Mills, Birmingham Thompson and Co., Wigan ROPEWAYS (Aerial)— Transports adriens par cdbies ‘''radock, George, and Co. Ld., Wakefield Johnson and Phillips Ld„ Charlton, Kent RUBBER-COVERED ROLLERS— Rouleaux avec garni- ture en caoutchouc Beddaway, F., A Co. Ld., Pendleton, Manchester