936 THE COLLIERY GUARDIAN. Mat 2, 1913. E. DAVIS, AND AT ' Bank Chambers, Scott Lane, Doncaster. MANUFACTURER OF MINING, SURVEYING, DRAWING, AND ENGINEERING INSTRUMENTS. pressure: gauges Of every Description made and Repaired on the Premises. Catalogue Free on Application. ‘tbpr.D’ ) Bourdon, Pressure Gm The Standard Engineering Co. Ltd., LEICESTER I POP ABSTRACT of the REPORT of the PRUSSIAN COMMISSION —ON— FALLS OF STONE AND COAL. Price - - - One Shilling. THE COLLIERY GUARDIAN COMPANY LTD., 30 & 31, Furnival Street, Holborn, London, E C. Up <& Down Draught FORGES, Mine Ventilating and Sinking Fans, DUST COLLECTION, &c , &c. The Colliery Ready Reckoner and Wages CALCULATOR. By JAMES IRELAND. “Will be the means of preventing many disputes between pay clerks and colliers.”—Mining /ournal. Collity Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Cloth limp, price Is. 6d.; post free, Is. 7d. Purchasers’ Guide to Advertisers’ Specialities—(continued). Looknut Washers Benton, B. M., and Co., Sheffield Loose Collars Bridge, David, A Co. Ld., Castleton, Manchester Jardine, John, Deering-street, Nottingham Spencer and Co. Ld., Melksham, Wilts Trier Bros., Caxton House, Westminster S.W. Lubricators Bailey, Sir W. H., & Co. Ld., Salford, Manchester Green and Boulding Ld„ 28, New Bridge-st., E.C. Lancaster and Tonge Ld., Pendleton, Manchester Onnerod, Edward, Atherton, nr. Manchester Boyles Ld., Irlam, Manchester Tangyes Ld„ Cornwall Works, Birminghrm Treasure, J. B., A Co., 8 A 12, Vauxhall-rd.,Liverpool Trier Bros., Caxton House, Westminster, S.W. Wakefield, C. C., and Co., 27, Cannon-street, E.C. Machinery (Second-hand) Bute Works Supply Co. Ld., Cardiff Foot, B. G.. A Co., 11, Queen Victoria-st., E.C. Marple A GiUott Ld., Coronation Bldgs., Sheffield Phillips, C. 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, Blackburn Tangyes Ld., Cornwall Works, Birmingham Mathematical 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, HoHoway, N Harvey, G. 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 (Grindinc) 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, Blackburn Thompson and Southwick Ld., Tam worth 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 Ghorley 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. 0., Ld„ Dudley Oil Cabinets Iron and Steel Chorley Bailway Wagon Co. Ld., Chorley Lancs. Farnley Iron Co. Ld., Leeds Firth, Wm„ Ld., Water-lane, Leeds Hardy 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 A Coal Co. Ld., Stoke-on-Trent Thompson and Co., Wigan Ward, Thos. W., Limited, Albion Works, Sheffield Jacks (Hydraulic) Alldays A Onions Pneumatic Engineering Co. Ld., Birmingham Bridge, David, A 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 Jigs Onnerod, Edward, Atherton, near Manchester Jim Crows Alldays A 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„ A 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 Glasses Ackroyd and Best Ld., Morley, near Leeds Cremer 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 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. 0., L, and Co. Ld., St. Helens, Lancs. Hollingdrake, Henry, & 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, Wednesbur y 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 Notices Davis, John, and Son (Derby) Ld., Derby Theedam, E. C., 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, Forth, Glam. Preservative (for Plant) Kalbitnm 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 Blocks 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 Ldc, Pentre, B.8.O. Glam. Spencer and Co. Ld., Melksham, Wilts Thompson and Southwick Ld., Tam worth 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 ovns Ld., Brook Foundry, Wigan Pump Buckets and Strips Cort, Arthur, and Co., Camberwell, London Daglish, Bobert, and Co. Ld., St. Helens, Lancs Pump (Paokinc) 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, Mancheste: 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.C. 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 Pearn, 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