May 1, 1914. THE COLLIERY GUARDIAN. 983 Glasgow Office: 29, Waterlso Street B332 Central (4 Itoas). Brussels Office: THE Cardiff Office: Russian Office : 38, Meant Stuart Square. 4878 Cardiff. COPPEE COKE OVENS BY-PRODUCT PLANTS, and COPPEE COAL WASHERS CRUDE and RECTIFIED BENZOL PLANTS. 103, Beulevard de Waterloo. Established 1851 For Particulars, apply to— COPPEE COMPANY (BRITAIN) Ltd King’s House, Kingsway, LONDON. Telegrams: “EVCOPPEE, WESTCENT, LONDON.” Telephone : HOLBORN, 5820 (2 lines). 35, Pouchldnskaia, Kharkott. Plants are at present under Construction m ENGLAND, WALES, BELGIUM, RUSSIA, FRANCE* HOLLAND, SPAIN* MEXICO and AFRICA. Purchasers’ Guide to Advertisers’ Specialities—(continued). Forges Hardy Patent Pick Oo. Ld., Sheffield Keith, James, & Blackman Oo. Ld., 27, Farring- don-avenue, London, E.C. Forgings Bagnall, W. G., Ld., Stafford Carron Co., Carron, Falkirk Ghorley Bailway Wagon Co. Ld., Chorley Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Benton ,B. M., and Co., Midland Works. Sheffield Walker Bros. (Wigan) Ld., Wigan Worsley Mesnes Ircnworks Ld., Wigan Wright’s Forge and Engineering Co* Ld., Tipton Yorkshire Engine Oo. Ld. Sheffield Friction Clutches Sever, Dorling, and Co. Ld., Bradford, Yorks. Bridge, David, & Co. Ld., Castleton, Manchester Daglish, Robert, and Co. Ld., St. Helens, Lancs. Longbotham, B. H., and Oo. Ld., Wakefield Norton’s (Tividale) Ld., Tipton Beavell and Co. Ld., Ipswich Beddaway, F„ & Oo. Ld., Pendleton, Manchester Theedam, E. C., Ld., Dudley Walker Brothers (Wigan) Ld., Wigan Wild, M. B„ and Co. Ld„ Nechells, Birmingham Wood, John, & Sons Ld., Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld.. Tipton Friction Surfaces Frood, Herbert, Co. Ld., Chapel-en-le-Frith •• Scandinavia ” Belting Ld., 59, Southwark- street. London, S.E. Worsley Mesnes Ironworks Ld., Wigan Fuel Economisers ,a Fell, C. A., Dronfield, near Sheffield Pillatt and Co., Stapleford, Nottingham Fuel Machinery , 4 T a Johnson, Wm.. A Sons (Leeds) Ld„ Armley, Leeds Middleton, Bobert, Sheepscar Foundry, Leeds Yeadon, Son and Co., Albion-place, Leeds Furnaces Bennis, Ed., and Co. Ld., Little Hulton, Bolton Leech. Goodall & Co., Hunslet, Leeds Pillatt and Co. Ld., Stapleford, Nottingham Furnaoe Ironwork Leech, Goodall A Co., Hunslet, Leeds Wood, John, and Sons Ld., Wigan Fuse Igniters Cotton Powder Co. Ld.,32, Queen Victoria-st., E.O. Curtis’s and Harvey Ld., Cannon-st. House, E.C. Davis, John, and Son (Derby) Ld., Derby Nobel’s Explosives Co. Ld., Glasgow Gas Compressors Beiliss and Morcom Ld., Birmingham Gas Engines British Oxygen Co.Ld., Elverton-st.,Westminster Glover, M., and Co., Holbeck-lane, Leeds Bobey and Co. Ld., Lincoln Tangyes Ld., Cornwall Works, Birmingham Gas Exhausters Copp6e Co. (Gt. Britain) Ld., Kingsway, London, Koppers’ (The) Coke Oven and Bye-Product Co., Sheffield Gas Plant Coppee^Co. (Gt. Britain) Ld„ Kingsway, London Dinnendahl B. W., Essen. Germany Koppers’ Coke Oven A Bye-Product Co., Sheffield Matlaer and Platt Ld., Manchester Gas-Testing Lamps Ackroyd and Best Ld., Morley, Leeds Best’s Safety Lamps Ld., Providence W’ks, Leeds Davis, John, and Son (Derby) Ld.. Derby Protector Lamp and Lighting Co. Ld., Eccles, Manchester Teale, W. E., and Oo. Ld , Swinton, Lancs. I.) Gas Tubes and Fittings Lewis, Edwin, and Sons, Wolverhampton Stewarts A Lloyds Ld., Birmingham A Glasgow Gas Valves Haslam and Schontheil Ld., Bristol “KSB” Manufact’ng Co., 13, Wain gate, Sheffield Gauge Glasses Davis, John, and Son (Derby) Ld., Derby ftTiilhflrt,.Martin, 9, Edmund-pl„ Aldersgate, E.O, Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. 0., Ld., Dudley Treasure, J. B„ & Co., 8 A12, Vauxhall-rd., L’pool Gauge Glass Protectors Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Teale, W. E„ and Oo. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Gauges Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld.. Huddersfield Gear (Special for Motor Lorries Cars &o. Brown, David, A Sons (Hudd.) Ld., Huddersfield Gearing British Insulated and Helsby Cables Ld., Prescot Brown, David, A Sons (Hudd.) Ld., Huddersfield Bumsted and Chandler Ld., Hednesford, Staffs. Coventry Chain Co. Ld.. Coventry Daglish, Bobert, and Oo. Ld., St. Helens, Lancs. Jardine, John, Deering-street, Nottingham Lancaster and Tonge Ld., Pendleton, Manchester Leech, Goodall & Co., Hunslet, Leeds Walker Brothers (Wigan) Ld., Wigan Wild, M. B., and Co. Ld., Nechells, Birmingham Wood. John, and Son Ld.. Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan Yorkshire Engine Co. Ld., Sheffield Girders (Iron and Steel) Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Firth, Wm., Ld., Greek-street Chambers, Leeds Henderson and Glass, Liverpool Isca Foundry Co.. Newport, Mon. Johnston, John, Attercliffe Boiler Wks., Sheffield Benton, B. M., and Co., Midland Works, Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds Shelton Iron, Steel and Coal Oo. Ld., Stoke-on- Trent, Staffs. Ward. Thos. W.. Limited. Albion Works, Sheffield Glass Manufacturers (Tube Rods Enamels) Guilbert-Martin, 9, Edmund-pL, Aldersgate, E.C. Governors (Engine) Joseph, and Sons (Wolverhampton) Ld., Wolverhampton Hollingdrake. Henry, and Son, Ld., Stockport Mather and Platt Ld., Manchester Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Tangyes Ld.. Cornwall Works Birmingham Granary Equipment Porteus, George, Leeds Bridg?, Leeds Turner, E. B. and F., Ld., Ipswieh Crease a T Chorley Bailway Wagon Oo. Ld., Chorley, Lancs. Trier Bros., Caxton House, Westminster Theedam, E. C., Ld., Dudley Wakefield, C. C., A Co., Cheapside, London, E.O. Greasers (Automatic) Evans and Dodd, Cannock Chase, Staffs. Grinding Maohinery Bradley Pulverizer Co., 37. Walbrook Bridge, David, A Co. Ld., Castleton, Manchester Hardy Patent Pick Co. Ld.. Sheffield Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Gunpowder x „ Curtis's and Harvey Ld., Cannon-st. House E.C* Harness Legard and Son, Leather Merchants Barnsley Hauling Drums Bever, Dorling and Co. Ld., Bradford Bridge, David, A Co. Ld., Castleton, Manchester Bumsted and Chandler Ld., Hednesford. Staffs. Carron Co., Carron, Falkirk Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Lowmoor Co, Ld., Lowmoor Ironworks, Bradford Norton’s (Tividale) Ld.. Tipton Leech, Goodall A Co., Hunslet, Leeds Mining1 Appliances Co., 32, Church-st., Sheffield Phillips, C. D., Newport, Mon. Bobey and Oo. Ld., Lincoln Spencer and Co. Ld., Melksham, Wilts Sutcliffe, B., Horbury, near Wakefield Walker Bros. (Wigan) Ld., Wigan Wild,M. B., and Co Jid., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville. Leicester Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton Youngs, Byland-street Works, Birmingham Headgears Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Head, Wrightson A Co. Ld., Stockton-on-Tees Leech, Goodall & Co., Hunslet, Leeds Norton’s (Tividale) Ld., Tipton Bobey and Co. Ld., Lincoln Spencer and Co. Ld., Melksham, Wilts Wright’s Forge and Engineering Co. Ld., Tipton Heading Machines Davis, John, and Son (Derby) Ld., Derby Hardy Patent Pick Co. Ld., Sheffield International Channelling Machines Ld., Sheffield Sullivan Machinery Co., Salisbury House, London Wall, E.O. HEAP8TEAD8 Coulson, M., & Co. Ld., Spennymoor.Oo. Durham Hardy Patent Pick Co. La., Sheffield Head, Wrightson and Co. Ld., Stockton-on-Tees Leech, Goodall & Co., Hunslet. Leeds T*nnghntham, B. H„ and Oo. Ld., Wakefield Norton’s (Tividale) Ld., Tipton Plowright Bros. La., Chesterfield Spencer and Co. Ld., Melksham, Wilts Walker Bros. (Wigan) Ld., Wigan ________ Wood, John, A Sons Ld.. Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton Yorkshire Hennebique Contracting Co. Ld., Leecs Hoists Bleichert’s Aerial Transporters Ld., 36, New Broad-street, E.C. Daglish, Bobert, | and Oo. Ld., St. Helens, Lanes. Hardy Patent Pick Co. Ld., Sheffield Leech, Goodall A Co., Hunslet, Leeds Mather and Platt Ld., Manchester Mavor and Coulson Ld., 47, Broad-street, Glasgow Beavell and Oo. Ld., Ipswich Spencer and Co. Ld., Melksham, Wilts Wild, M. B., aid Co. Ld.. Nechells, Birmingham Wood, John A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton Youngs, Byland-street Works, Birmingham Hooks or Links (Safety) Humble, Stephen, 9, Victoria-street, S.W. Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Ormerod, Edward, Atherton, near Manchester Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton Hoppers Baker, John, and Son, Bilston, Staffs Coulson, M.» and Oo. Ld., Spennymoor Harvey, G. A., A Oo. (London) Ld., Woolwich road, S.E. Hardy Patent Pick Co. Ld., Sheffield Leech, Goodall A Co., Hunslet, Leeds Simon-Carves Ld.. 20. Mount-street, Manchester Hoppebs—continued Spencer and Co. Ld., Melksham, Wilts Theedam, E. 0., Ld., Dudley Wright’s Forge and Engineering Co. Ld., Tipton Yorkshire Hennebique Contracting Co. Ld., Leeds Angus, Geo., A Co. Ld., Newcastle.on-Tpne Hardy Patent Pick Co. Ld., Sheffield Mining Engineering Co. Ld., Sheffield Norton’s (Tividale) Ld., Tipton Beddaway, F., A Oo. Ld., Pendleton, Manchester Willcox. W. H„ A Co. Ld., 23, Southwark-st., 8 JE Humidifiers Mather and Platt Ld., Manchester - Hydraulic Maohinery Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Hathorn, Davey and Co. Ld., Leeds Leech, Goodall A Co., Hunslet, Leeds Mather and Platt Ld., Manchester Middleton, Bobert, A Co. Sheepsoar F’ndry, Leeds Pearn, Frank, A Co., La., West Gorton, Manchester Pulsometer Engineering Co. Ld., Beading Sullivan Machinery Co., Salisbury House, London Wall, E.C. Tangyes Ld., Cornwall Works, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Youngs, Byland-street Works, Birmingham Hydraulio Reduoinq Valves Auld, D„ and Sons, Whitevale Foundry, Glasgow Hygrometers Davis, John, and Son (Derby) Ld., Derby Winter. T. B., and Son, 21, Grey-st., Newcastle on-Tyne Incline Rollers Bagnall. W. G.. Ld.. Stafford Leech, Goodall A Co., Hunslet, Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford INDIARUBBER GOODS Chorley Bailway Wagon 00. Ld., Chorley, Lancs. Beddaway, F., A Oo. Ld., Pendleton, Manchester INDICATORS (STEAM ENGINE) Davis, John, and Son (Derby) Ld., Derby Induoed Draught Fans Bumsted and Chandler Ld., Hednesford, Staffs, Davidson and Oo. Ld., Belfast Keith, James, & Blackman Co. Ld., 27, Farring- don-avenue, London, E.O. Turbon Patent Fan Co. Ld., Llanelly Injectors and Ejeotors Bailey, Sir W. H., A Co. Ld., Salford, Manchester Hopkinson, J., and Co. Ld«, Huddersfield Pulsometer Engineering Co. Ld., Beading Willcox, W. H„ A Oo. Ld., 32, Southwark-st., S.E. Instruction (Postal) Electro-Technical Bureau, 312, Deansgate, Man- chester Southern, T. A., Universal Mining School, Cardiff Thomas, Wm., Cambrian Mining School, Forth Instruments Davis, John, and Son (Derby) Ld., Derby Thornton, A. G., Ld., King-st. West, Manchester Winter, T. B., and Son, 21, Grey-st., Newcastle on-Tyne Insurance Brokers and Agents Biseley, Henry L., and Sons, 33, Com-st., Bristol Iron and Brass Founders Bridge, David, & Co. Ld., Castleton, Manchester British Wagon Co. Ld., Botherham Chorley Bailway Wagon Oo Ld., Chorley, Lance. Daglish, Bobt., and Co. Ld.. St. Helens, Lancs. Gosforth Foundry Co. Ld., Dronfield, nr. Sheffield Jardine, John, Deering-street, Nottingham Lowmoor Co. ltd., Lowmoor Ironworks, Bradford Protector Lamp and Lighting Co. Ld., Eccles, Manchester Boyles Ld., Irlam, Manchester Spencer and Co. Ld., Melksham, Wilts Wood. John, and Sons Ld.. Wiran Yorkshire Engine Co. Ld«, Sheffield