May 5, 1916. THE COLLIERY GUARDIAN 875 No. 3 18 oz. Charge Limit. NOBEL’S Permitteds N B O N B No. 4 30 oz. Charge Limit. THE TWO Strongest Explosives UNDER THE NEW REGULATIONS. NoheTs Explosives Co. Ltd., Glasgow. Purchasers’ Guide to Advertisers’ Specialities—(continued). Rakes (Pit)—Bodes Baker, John, and Son, Bilston, Staffs REDUCING Gear ~Rngrenage d reduction de vitesse Coventry Chain Co. Ld., Coventry Reducing Valves (Full bore, Standard, &c.) —Dftendeurs Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Refrigerators — wornis /ar gonfiques PulBometer Engineering Co. Ld„ Beiding Reinforced Concrete Midland Counties Reinforced Concrete Co., 39 Newhall-street, Birmingham RESCUE Apparatus—Appareils de sauvetage British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. It ESP IRAT0R8—Respirateurs British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Rivets—Swets 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—Perforatrices 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.O. Rollers and Pulleys (Haulage)—Rouleaux et poulies pour appareils d’attdlage Bagnall, W. G., Ld., Stafford Crowther,Henry, & SonsLd., Cleckheaton, Yorks Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Renton, B. M., and Co., Sheffield Wood, John, and Sons Ld., Wigan Rolling Stock (Railway) North Central Wagon Co. Ld., Rotherham Roofs and Outdoor Buildings-To^™ et bdtiments Goodall, Clayton and Co. Ld., Hunslet, Leeds [sea 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., Dukinfield ROPES (Driving)—Cdbles de transmission Kenyon, W., A Sons Ld., Dukinfield, Manchester ROPES (Hemp AND Manilla)—Cord ages de chanvre et de manille ROPE PRESERVATIVE—Rnduit vrotecteur pour cdbles ROPES (Wire)—Cordes metalliques Brown, W. B., and Co. (Bankhall) Ld., Liverpool Cooke, William and Co. Ld., Tinsley, Sheffield Cradock, 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 atriens par cdbles British Ropeway Engineering Co. Ld., 7, Mincing- lane. London, E.C. Gradock, 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 SAOKS AND Bags—Sacs et Mches Saws and Sawing Applianoes-Scws et apparent de sciage Scaling Tools Diamond Blower Co. Ld., 75b, Queen Victoria- street, E.C. SOOVINS FOR COAL AND Coke—Fourches d charbon et d coke Baker, John, and Son, Bilston Hardy Patent Pick Co. Ld., Sheffield Theedam, E. 0., Ld., Dudley SOREWING MACHINES-MachUies d fileter Frost, Albert, and Co., Sheffield Tang-yes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham Screws (Stretching)—Tenders Youngs, Byland-street Works, Birmingham Sewage Treatment Plant—Appareils pour i« traitement des eaux d’6gout Mather and Platt Ld., Manchester SHAFTING —Arbres de trans nission Crowther, Henry, & SonsLd., Cleckheaton, Yorks DagHsh, Bobt., and Co. Ld., St. Helens, Lancs. Hardy Patent Pick Co. Ld., Sheffield Lancaster and Tonge Ld., Pendleton, Manchester Phillips, C. D., Newport, Mon. Spencer and Co. Ld., Melksham, Wilts Wright’s Forge and Engineering Co. Ld., Tipton RHAFT Sinkers—Fonijage de puits Francois, Albert, Whitehouse-chambers, Don- caster Trefor Boring A Sinking Co., Bank Chambers, 329, High Holborn, London, E.C. Sheet Iron—Ttiet mfer Harvey, G. A., A Co. (Ldn.) Ld., Woolwich-rd., S.E. Lewis, Wm., and Son, Bilston, Staffs. Theedam, E. C., Ld., Dudley Sheet Metal Works (for Cylinder Casings)— Revetement de tdle pour cylindres Baker, John, and Son, Bilston Kenyon, Wm., and Sons Ld., Dukinfield Shot-Firing Batteries ano CABLES-Apporeiis et cdbles I’amorqage British Explosives Syndicate Ld., Glasgow British Insulated and Helsby Cables Ld., Lancs. Curtis’s and Harvey Ld., 110, Cannon-street,E.C. Davis, John, and Son (Derby) Ld., Derby Haslam and Stretton Ld., Cardiff Johnson and Phillips Ld., Charlton, Kent New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Shovels and Shovel Trees—Feiies «t aooessoms Baker, John, and Son, Bilston, Staffs) Fell, C. A., Dronfield, near Sheffield Frost, Albert, and Co., Sheffield Hardy Patent Pick Co. Ld., Sheffield Benton, B. M., and Co., Sheffield Theedam, E. C., Ld., Dudley Shovels (Sprinkling)—Felloe de chargement pour chaudieres Fell C. A., Dronfield near Sheffield SIDINGS—Lignes de raccordement Bagnall, W. G., Ld., Stafford Benton, B. M., and Co., Market-place Building.’, Sheffield Summerson, Thomas, and Sons Ld., Darlington Ward, Thos. W., Ld., Albion Works, Sheffield Signalling Apparatus (Visual)—Signaux visueis Davis, John, and Son (Derby) Ld., Derby Neil, J. & J., & Co., 93, Hope-street, Glasgow Sutcliffe, Bichard, Horbury, Wakefield Theedam, E. 3., Ld., Dudley Wood, John, and Sons Ld., Wigan SLEEPERS (Iron and STEEL) —Trailers™ enfer et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Bagnall, W. G., Ld., Stafford Baird, J. W., and Co., West Hartlepool Bute Works Supply Co. Ld., Cardin Benton, B. M., and Co., Midland Works, Sheffield Smiths’ Tools— Outiis pour forgerons Hardy Patent Pick Co. Ld., Sheffield SMITH Work—Omrages de forge Baker, John, and Son, Bilston, Staffs Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wright’s Forge and Engineering Co. Ld., Tipton SMOKE Helmets—Casques protecteurs centre fumtes Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Spanners Fastnut Ld., 115, Newgate-street, London Speed-Reducing Gears—Rngreiwges d reduction de vitesse Brown, David, A Sons (Hudd.) Ld., Huddersfield Wood, John, and Sons Ld., Wigan Sphincter Grip Armoured Hose—Tuyaux armis Beddaway, F., St Co. Ld., Pendleton, Manchester SPRINGS—Beeeorts Lancaster and Tonge Ld., Pendleton, Manchester Wigan Wagon Co. Ld., Springs Branch, Wigan STAMPINGS—Estampages Baker, John, and Son, Bilston, Staffs Chorley Bail way Wagon Co. Ld., Ghorley Hardy Patent Pick Co. Ld., Sheffield Head, Wrightson and Co. Ld., Stockton-on-Tees Lowmoor Co. Ld., Lowmoor Ironworks, Bradford STEAM Experts — Sptcialistes en tout ce qui concerns la vapeur Fell, C. A., Dronfield, near Sheffield Princeps A Co., Sheffield Boyles Ld., Irlam, Manchester STEAM FITTINGS— Garnitures de chaudieres Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Bussell, John, and Co. Ld., Alma Works, Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasgow Steam Mains and Pipe Installations - Conduites de vapeur Stewarts and Lloyds Ld., Birmingham A Glasgow Steam - Saving Appliances - Economises de vapeur Boyles Ld., Irlam, Manchester STEAM Traps—Purgeurs de vapeur Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks. Hopkinson, J., and Co. Ld., Huddersfield Lancaster A Tonge Ld., Pendleton, Manchester Princeps A Co., Sheffield Boyles Ld., Irlam, Manchester Stewarts and Lloyds Ld., Birmingham & Glasgow United States Metallic Packing Co. Ld., Bradford Wright’s Forge and Engineering Co. Ld., Tipton Steam Wagons —Voitures autos d vapeur Steam Winches—Treuiis d vapeur Clarke, Chapman A Co. Ld., Gateshead-on-Tyne Phillips, C. D., Newport, Mon. Wood, John, and Sons Ld., Wigan STEEL—Fabricants d’acier Cooke, William, and Co. Ld., Tinsley, Sheffield Cradock, George, and Co. Ld., Wakefield Haden and Co., Patricroft Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Hodgson, E. W., and Co., Sheffield Howell & Co. Ld., Brook Steel Works, Sheffield Latch and Batchelor Ld., Hay Mills, near B’ham Mining Engineering Co. Ld., Sheffield Shelton Iron, Steel A Coal Co. Ld., Stoke-on-Trent Stewarts and Lloyds Ld., Birmingham A Glasgow Thompson and Co., Wigan STEEL Blooms, BILLETS—Loupes et lingots en acier Cradock, George, and Co. Ld., Wakefield Benton, B. M., and Co. Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds STEEL Flats AND Rounds—Barres et ronds en acier Scott, Walter, Ld., Leeds Steel Works, Leeds STEEL TINBARS—Bidons a tdles defer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds Stencil Plates, Steel Stamps, Ac.—Patrons poingons, &c. Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, Sheffield Stone Breakers—Cosee-pierre, Hadfields Ld., Hecla Works. Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Stonedust Grinding Plant—Brodeurs (poussiere de schistes) Fletcher, George, and Co. Ld., Litchurch, Derby “ Jeffrey”—Hugh Wood A Co. Ld., N’castle-on-T. Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Stoneware ( Sanitary ) — sanitams Bradley Pulverizer Co., 37, Walbrook, E.C. STRUCTURAL Steelwork—Constructions en acier Goodall, Clayton and Co. Ld.. Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Scott, Walter, Ld., Leeds Steelworks, Leeds Wright’s Forge and Engineering Co. Ld., Tipton Sulphate of Ammonia Plant — Appareils a recuperation du sulfate d’ammoniaque Copp6e Co. (Gt. Britain), Kingsway, London Koppers’ Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester