' T 830 THE COLLIERY GUARDIAN. April 18, 1913. Luhbic Coal and Ore Dressing Appliances Limited, ............- ................ j Engineers and Contractors for I COAL WASHING & ORE DRESSING. i PERFORATED PLATES IN ALL DESIGNS. TIPPLERS, SCREENS, PICKING AND COAL LOADING BANDS WITH AUTOMATIC LOWERING ARM. | Bead Office - ! 32. Victoria Street, London, S.W. TRADE STANLEY The largest manufacturers of Surveying and Drawing Instruments In the World. STANLEY’S NEW PATTERN TRANSIT THEODOLITE. Drawing Office Stationery of all kinds supplied on the most favourable terms A very large stock kept. Please ask for our “K12” Catalogue, and compare our prices with those of other first-class makers. W. F. STANLEY & Co. Ld. Gt. Turnstile, Holborn, London, W.C. Head Office & Show Rooms— 286, High Holborn, W.C. Purchasers’ Guide to Advertisers’ Specialities—(continued). Iron and Steel Chorley Bailway Wagon Co. Ld., Chorley Lancs. Farnley Iron Co. Ld., Leeds Firth, Win.. Ld., Water-lane, Leeds IjHardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Bradford .Yorks. Benton, B. M., and Co., Midland Works, Sheffield' Scott, Walter, Ld.; Leeds Steel Works, Leeds Shelton Iron, Steel & Coal Co. Ld., Stoke-on-Trent Thompson and Co., Wigan Ward, Thos. W., Limited, Albion Works, Sheffield Jaoks (Hydraulic) Alldays* Onions Pneumatic Engineering Co. Ld., Birmingham Bridge, David, & Co. Ld., Castleton, Manchester Hardy Patent Pick Co. Ld., Sheffield Benton, B. M., and Co., Midland Works, Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham Jl08 Ormerod, Edward, Atherton, near Manchester Jim Crows Alldays & Onions Pneumatic Engineering Co. Ld., Birmingham Hardy Patent Pick Co. Ld., Sheffield Orenstein and Koppel—Arthur Koppel (Amal- gamated), 27, Clements-lane, London, E.C. Benton, B. M„ and Co., Midland Works, Sheffield Tangyes Ld., Cornwall Works, Birmingham Theedam, E. C., Ld„ Dudley Youngs, Byland-street Works, Birmingham Jointing Cement Asbestos and General Paint Co. Ld., Birmingham Kalbitum Paint Co. Ld., Belvedere, Kent Theedam, E. C., Ld., Dudley Jointing (Sheet) Thomas and Bishop, 119-125, Finsbury Pav., E.C Joists (Rolled Steel) Heenan and Froude Ld., Worcester Benton, B. M., * Co., Midland Works, Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds Keps (for Winding Cages) Wood, John, and Sons Ld., Wigan Lamp Cleaning Machines Ackroyd and Best Ld., Morley, nr. Leeds Davis, John, and Son (Derby) Ld., Derby Thomas, E., and Williams Ld., Aberdare Lamp Gauze Brushes Ackroyd and Best Ld., Morley, nr. Leeds Davis, John, and Son (Derby) Ld., Derby Theedam, E. C., Ld., Dudley Thomas, E., and Williams Ld., Aberdare Lamp Classes Ackroyd and Best Ld., Morley, near Leeds Davis, John, and Son (Derby) Ld., Derby Theedam, E. C., Ld., Dudley Thomas, E., and Williams Ld., Aberdare Lamp Oil Filling Machines Ackroyd and Best Ld., Morley, nr. Leeds Davis, John, and Son (Derby) Ld., Derby Theedam. E. 0.. Ld.. Dudley Thomas, E.. and Williams Ld., Aberdare Lamp Re-Lighting Apparatus (Underground) Ackroyd and Best Ld., Morley, nr. Leeds Davis, John, and Son (Derby) Ld., Derby Thomas, E., and Williams Ld., Aberdare Lamps (Aro) Haslam and Schontheil Ld , Cardiff Theedam, E. C.. Ld., Dudley Lamps (Eleotrio) Ackroyd and Best Ld., Morley, nr. Leeds Davis, John, and Son (Derby) Ld., Derby Haslam and Schontheil Ld., Cardiff Jardine, John, Deering-street. Nottingham Mavor and Coulson Ld., 47, Broad-street, Glasgow Mining Engineering Co. Ld. (The), Sheffield Thomas, E„ and Williams Ld., Aberdare Lamps (Electrio Safety) British Insulated and Helsby Cables Ld., Prescot Davis, John, and Son (Derby) Ld., Derby Mining Engineering Co. Ld. (The), Sheffield Lamps (Miners’ Safety) Ackroyd and Best Ld., Morley, nr. Leeds Creuer Lamp and Engineering Co. Ld.,32, York place, Leeds Davis, John, and Son (Derby) Ld., Derby Theedam, E. C., Ld., Dudley Thomas, E., and Williams Ld., Aberdare Lamps (Outdoor) Ackroyd and Best Ld„ Morley, nr. Leeds Cremer Lamp and Engineering Co. Ld., 32, York- place, Leeds Theedam, E. C., Ld., Dudley Lathes Brown, David, * Sems (Hudd.) Ld., Huddersfield Tangyes Ld., Cornwall Works, Birmingham Leather Appliahces White, George, 31, High-street, Normanton LE880H8 BY P08T Penningtons, Mining School, Manchester Southern, T. A., Universal Mining School, Cardiff Thomas, Wm., Cambrian Mining School, Glanffrwd, Porth, Glam. Lifting and Hoisting Taokle Alldays & Onions Pneumatic Engineering Co.Ld., Birmingham Benton, B. M., and Co., Sheffield Tangyes Ld., Cornwall Works, Birmingham Wood, John, and Sons Ld., Wigan Youngs, Byland-street Works, Birmingham Lightning Conductors British Insulated and Helsby Cables Ld., Prescot Brown, W. B., and Co. (Bankhall) Ld., Liverpool Davis, John, and Son (Derby) Ld., Derby Furse, W. J., Traffic-street, Nottingham Shaw, John, Ld., Sheffield Theedam, E. C.» Ld., Dudley Looknut Washers Benton, B. M., and Co., Sheffield Loose Collars Bridge, David, * Co. Ld., Castleton, Manchester Jardine, John, Deering-street, Nottingham Spencer and Co. Ld., Melksham, Wilts Trier Bros.. Carton House, Westminster S.W. Lubrioators Bailey, Sir W. H., & Co. Ld., Salford, Manchester Green and Boulding Ld., 28, New Bridge-st., E.C. Lancaster and Tonge Ld., Pendleton, Manchester Ormerod, Edward, Atherton, nr. Manchester Boyles Ld., Irlam. Manchester Tangyes Ld., Cornwall Works, Birminghrm Treasure, J. B., A Co., 8 A12, Vauxhall-rd.,Liverpool Trier Bros., Caxton House, Westminster, S.W. Wakefield, C. C., and Co., 27, Cannon-street. E.C. Maohinery (Second-hand) Bute Works Supply Co. Ld., Cardiff Foot, B. G.. A Co., 11, Queen Victoria-st., E.C. Marple A Gillott Ld., Coronation Bldgs., Sheffield Phillips, O. D., Newport, Mon Benton, B. M., and Co., Midland Works, Sheffield Stringer, John, and Son, Dept. 11, Blackburn Ward, Thos. W., Ld., Albion Works, Sheffield Maohine Tools Foot, B. G., A Co., 11, Queen Victoria-street, E.C Phillips, C. D., Newport, Mon. Stringer, John, and Son, Blackbum Tangyes Ld., Cornwall Works, Birmingham Mathematioal Instruments Davis, E., 2, Aire-street, Leeds Davis, John, and Son (Derby) Ld., Derby Harling, W. H.,47, Finsbury Pavem’t,London, E.C. Stanley, W. F., A Co. Ld., 286. High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester Meohanioal Stokers Bennis, Ed., and Co. Ld., Little Hulton, Bolton Metal Perforators Barns, W„ A Son, Queensland-road, Holloway, N Harvey, G. A., A Co., Woolwich-rd., London, S.E. Hudson, Thomas, Ld., Coatbridge, N.B. LUhrig Coal and Ore-dressing Appliances Ld., 32, Victoria-street, S.W. Metallic Packing United States Metallic Packing Co. Ld., Soho Works, Bradford Meteorological Instruments Davis, John, and Son (Derby) Ld., Derby Stanley, W. F., A Co. Ld., 286, High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester Mills (Grinding) Bradley A Craven Ld., Wakefield Hardy Patent Pick Co. Ld., Sheffield Phillips, C. D., Newport, Mon. Bobey and Co. Ld., Lincoln Stringer, John, and Son, Dept. 11, Blackbum Thompson and Southwick Ld., Tamworth Wootton Bros. Ld., Coalville, near Leicester Mining Dials Davis, E., 2, Aire-street, Leeds Davis, John, and Son (Derby) Ld., Derby Stanley, W. F., A Co. Ld., 286, High Holborn, W.C Thornton, A. G„ Ld., King-st. West, Manchester Mining Machinery Aqueous Works and Diamond Bock Boring Co. Ld., Guildford-st., York-road. Lambeth, S.E. Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Hardy Patent Pick Co. Ld., Sheffield Mining Engineering Co. Ld. (The), Sheffield Pulsometer Engineering Co. Ld., Beading Bobey and Co. Ld., Lincoln Sutcliffe, Bichard, Horbury, near Wakefield Davis, John, and Son (Derby) Ld., Derby Thornewill and Warham Ld., Burton-on-Trent Wood, John, and Sons Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton Mining Tools Davis, John, and Son (Derby) Ld., Derby Fell, C. A., Dronfield, near Sheffield Hardy Patent Pick Co. Ld., Sheffield Mining Engineering Co. Ld. (The), Sheffield Motors Davis, John, and Son (Derby) Ld., Derby Mather and Platt Ld., Manchester Sutcliffe, Bichard, Horbury, near Wakefield Talbot Clement Ld., Barlby-rd., Ladbroke Grove, London, W. Theedam, E. C., Ld., Dudley Motor Starters Davis, John, and Son (Derby) Ld., Derby Motor Vans and Wagons Alldays A Onions Pneumatic Engineering Co. Ld., Birmingham Alley and MacLellan Ld., Polmadie, Glasgow Avonside Engine Co. Ld., Bristol Foot, B. G., A Co., 11, Queen Victoria-street, E.C. Mann’s Patent Steam Cart and Wagon Co. Ld., Hunslet, Leeds Nails Spikes, ad. British Wagon Co. Ld., Botherham Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Firth, William, Ld., Leeds Frost, Albert, and Co., Howard-street. Sheffield Orenstein and Koppel—Arthur Koppel (Amal- gamated), 27, Clements-lane, London, E.C. Benton, B. M., and Co., Midland Works, Sheffield Office Furniture and Appliances Glover, M., and Co., Holbeck-lane, Leeds Thornton, A. G., Ld., King-st. West,Mancheste Oil Bottles Baker, John, and Son, Bilston, Staffs Theedam E. C„ Ld., Dudley Ou. Cabinets Oil Switches Oils ahd Lubricants Ackroyd and Best Ld., Morley, nr. Leeds Asbestos and General Paint Co. Ld., Birmingham Gaunt and Hickman. Oil Works, Wolverhampton Hull Oil Manufacturing Co. Ld., Stoneferry, Hull Trier Bros., Caxton House. Westminster, S.W. Wakefield, 0. C., and Co., 27, Cannon-street. E.C. Willcox, W. H., ACo.Ld.,32, Southwark-st., E.C. Overhead Travellers Allda's A Onions Pneumatic Engineering Co. Ld., Birmingham Bennis, Ed., and Co. Ld., Little Hulton, Bolton Orenstein and Koppel—Arthur Koppel (Amal gamated), 27, Clements-lane, London, E.C. Spencer and Co. Ld., Melksham, Wilts Tangyes Ld., Cornwall Works, Birminpham Youngs, Byland-street Works, Birmingham Overwinding Gear Barclay, Andrew, Sons and Co. Ld., Kilmarnock, Brown, David, A Sons (Hudd.) Ld., Huddersfield Daglisn, tfobert, and Co. Ld., St. Helens, Lancs. Fraser A Chalmers Ld., 3, LondonWall Bldgs., E.C. Heenan A Froude Ld., Worcester Humble, Steuben. 9 ,Victoria-st., London, S.W. Leech, Goodall A Co., Hunslet, Leeds Nortons (Tividale) Ld., Tipton, Staffs. Bobey and Co. Ld., Lincoln Thornewill and Warham Ld., Burton-on-Trent Walker Brothers (Wigan) Ld., Wigan Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. L »., Tipton Oxygen Manufacturers British Oxygen Co. Ld., Elverton-st., Westminster Knowles Oxygen Co. Ld., Wolverhampton Paokinq (Engine) Con, Arthur, A Co., 303|, Camherwell-rd., London Green and Boulding Ld., London, E.C. Greene, Tweed and Co., Tothill St., Westminster Lancaster and Tonge Ld., Pendleton, Manchester Mudford, J. H., & Sons, 55,Exchange-st., Sheffield Northern Bubber Co., The Wicker, Sheffield Beddaway, F., A Co. Ld., Pendleton, Manchester Theedam, E. C., Ld., Dudley United States Metallic Packing Co. Ld., Bradford Willcox, W. H., A Co. Ld„ 32, Southwark-st., S.E. Paint Asbestos and General Paint Co. Ld., Birmingham Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Kalbitum Paint Co. Ld., Belvedere, Kent Wailes, Dove, A Co. Ld.,Newcastle-on-Tyne Paint (Fireproof) Asbestos and General Paint Co. Ld., Birmingham Kalbitum Paint Co. Ld., Belvedere. Kent Paraffin Engines Beiliss and Morcom Ld., Birmingham Patent Agents Harris A Mills, 34 A 35, High Holborn, London Badford, B. H., Son, and Squire, Sheffield Pedestals Bridge, David, A Co. Ld., Castleton, Manchester Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Jardine, John, Deering-street, Nottingham Orenstein ard Koppel-Arthur Koppel (Amal- gamated), 27, Clements-lane, London, E.C. Perforated Plates Barns, W., A Son, Queensland-rd., Holloway, N. Firth, Wiiliam, Ld., Leeds Harvey, G. A., A Co., Woolwich-rd.,London,S.E. Hudson, Thomas, Ld., Coatbridge, N.B. Norton’s (Tividale) Ld., Tipton Theedam, E. C., Ld., Dudley Piok8 and Shovels Baker, John, and Son, Bilston, Staffs Fell, C. A., Dronfield, near Sheffield Frost, Albert, and Co., Sheffield Gwalia Forge Co., Caergwrle, Wrexham Hardy Patent Pick Co. Ld., Sheffield Benton, B. M., and Co., Midland Works, Sheffield Theedam, E. C., Ld., Dudley Pinions Cort, Arthur A Co., 303|, Camberwell-rd., London Pinions (Raw Hide and Paper) Bridge, David, A Co. Ld., Castleton, Manchester British Insulated and Helsby Cables Ld., Prescot Brown, David, A Sons (Hudd.) Ld., Huddersfield Pipe Joint Paste Hopkinson. J., and Co. Ld., Huddersfield Theedam, E. 0., Ld., Dudley Pipes (Steam and Water) British Mannesmann Tube Co. Ld., London Wall Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Hollingdrake, Henry, A Son Ld., Stockport Isca Foundry Co., Newport, Mon. Lewis, Edwin, and Sons, Wolverhampton Pulsometer Engineering Co. Ld., Beading Bussell, John, A Co. Ld., Alma Tube Wks., Walsall Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Nile-st.. Birmingham Wellington Tube Works Ld., Great Bridge, Tipton Pistons Daglish, Robert, and Co. Ld., St. Helens, Lancs. Mather and Platt Ld., Manchester Piston Springs Mather and Platt Ld., Manchester Pit Pony Eye and Head Guard Legard and Son, Leather Merchants, Barnsley Pit Props (Steel) British Mannesmann Tube Co. Ld., Salisbury House, London Wall, E.C. • Bute Works Supply Co. Ld., Bute Docks, Cardiff Firth, William, Ld., Leeds Heenan A Froude Ld., Worcester Henderson and Glass, Liverpool Lewis, Edwin, and Sons, Wolverhampton Benton, B. M., and Co.. Midland Works. Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds Shelton Iron, Steel, A Coal Co. Ld., Stoke-on-Tren Spencer, John,Ld.,Globe Tube Works, Wednesbury Thornewill and Warham Ld., Burton-on-Trent Ward, Thos. W., Limited, Albion Works, Sheffield Wright’s Forge and Engineering Co. Ld., Tipton Pit Props (Wood) Baird, J. W., and Co., West Hartlepool British Mannesmann Tube Co. Ld., Salisbury House, London Wall, E.C. Osbeck and Co., Newcastle-on-Tyne Pit Prop Withdrawers Davis, John, and Son (Derby) Ld., Derby Hardy Patent Pick Co. Ld., Sheffield Pit Water Gauges. John Davis A Son (Derby) Ld., Derby Planing Machinery and Appliances (Wood) Plates for Colliery Motioes Davis, John, and Son (Derby) Ld., Derby Theedam, E. 0., Ld., Dudley Plates (Iron and Steel) Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Firth, Wm.. Ld., Water-lane, Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Stewarts A Lloyds Ld., Birmingham A Glasgow Stringer, John, and Son, Dept. 11, Blackburn Points and Crossings Bagnall, W. G., Ld., Stafford Firth, William, Ld., Leeds Heenan A Froude Ld., Worcester Isca Foundry Co., Newport, Mon. Orenstein and Koppel-Arthur Koppel (Amal- gamated). 27, Clements-lane, London, E.C. Bailway and General Engineering Co. Ld.. Notts Benton, B. M., and Co., Midland Works, Sheffield Summerson, Thomas, and Sons Ld., Darlington Ward, Thos. W., Ld., Albion Works, Sheffield Portable Railways Allen, W. G., and Sons (Tipton) Ld., Tipton Bagnall, W. G., Ld., Stafford Bute Works Supply Co. Ld., Cymric-bldgs.,Cardiff Firth, William, Ld., Leeds Hardy Patent Pick Co. Ld.. Sheffield Orenstein and Koppel—Arthur Koppel (Amal- gamated), 27, Clements-lane, London, E.C. Benton, B. M., and Co., Midland Works, Sheffield Summerson, Thomas, and Sons Ld., Darlington Preparation for Exams. Southern, T. A., Universal Mining School. Cardiff Thomas, Wm., Mining School, Porth, Glam. Preservative (for Plant) Kalbitum Paint Co. Ld., Belvedere Works, Belvedere Wailes, Dove and Co. Ld., Newcastle-on-Tyne Publications Colliery Guardian Co. Ld., 30 A 31, Furnival-st. Holborn, London, E.C. Griffin, Charles, and Co, Ld., London, W.C. Southern, T. A., Universal Mining School, Cardiff Pulley Blooks Alldays A Onions Pneumatic Engineering Co. Ld., Birmingham Hardy Patent Pick Co. Ld., Sheffield Mudford, J. H., ASons, 55, Exchange-st., Sheffield Tangyes Ld., Cornwall Works, Birmingham Theedam, E. C., Ld., Dudley Youngs, Byland-street Works, Birmingham Pulleys (Haulage and Shaft) Bever, Dorling and Co. Ld., Bradford, Yorks. Bridge, David, A Co. Ld., Castleton, Manchester Daglish, Bobert. and Co. Ld.. St. Helens, Lancs. Frost, Albert, and Co., Sheffield Humble, Stephen, 9, Victoria-st., London, S.W. Jardine, John; Deering-street, Nottingham Llewellyn and Cubitt Ld.. Pentre, B.S.O. Glam. Spencer and Co. Ld., Melksham, Wilts Thompson and Southwick Ld., Tamworth Thornewill and Warham Ld., Burton-on-Trent Walker Bros. (Wigan) Ld., Wigan Wood, John, A Sons Ld., Brook Foundry, Wigan Pulleys (Pit-Head) Bever, Dorling and Co. Ld., Bradford Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Head, Wrightson and Co. Ld., Stockton-on-Tees Llewellyn A Cubitt Ld., Pentre, B.S.O., Glam. Spencer and Co. Ld., Melksham, Wilts Thompson and Co., Wigan Thompson and Southwick Ld., Tamworth Wood, John, A duns Ld., Brook Foundry, Wigan Pump Buokets and Strips Cort, Arthur, and Co., Camberwell, London Daglish, Bobert, and Co. Ld., St. Helens, Lancs Pump (Paokino) Greene, Tweed and Co., Tothill St., Westminster Northern Bubber Co., The Wicker. Sheffield United States Metallic Packing Co. Ld., Soho Works, Bradford Willcox, W. H., A Co. Ld., 32, Southwark-st., S.E. Pumps and Pumping Maohinery Bailey, Sir W. H., A Co. Ld., Salford, Manchestei Bever, Dorling and Co. Ld., Bradford, Yorks. Bumsted and Chandler Ld., Hednesford, Staffs. Cameron, John, Ld., Salford, Manchester Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Davis, John, and Son (Derby) Ld., Derby Evans, Joseph. A Sons (Wol. Ld.) Wolverhampton Fraser A Chalmers Ld., 3, London WallBldgs.,E.O. Hathorn, Davey and Co. Ld., Leeds Isca Foundry A Engineering Co., Newport, Mon. Lancaster and Tonge Ld., Pendleton, Manchester Llewellyn A Cubitt Ld., Pentre, B.S.O., Glam. Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Mavor and Coulson Ld., 47. Broad-st., Glasgow Mather and Platt Ld., Manchester Middleton, Bobert, Sheepscar Foundry, Leeds Peara, Frank, A Co. Ld., West Gorton, Manchester Phillips, C. D., Newport, Mon. Pulsometer Engineering Co. Ld., Beading Bobey and Co. Ld., Lincoln Tangyes Ld., Cornwall Works, Birmingham Uskside Engineering Co. Ld., Newport Willcox, W. H., A Co. Ld., 23, Southwark-st^, S.E. Wood, John, A Sons Ld., Brook Foundry, Wigan