670 THE COLLIERY . GUARDIAN March 28, 1913. Purchasers' Guide to Advertisers’ Specialities. Further information can be obtained on reference to the Weekly Mphabetical Index to Advertisers. Acetylene Lamps Davis. John, and Son (Derby) Ld., Derby Theedam, E. 0., Ld., Dudley Wakefield, C. C., and Co., 27, Cannon-street, E.O, Accumulators Acid Plant Daglish, Robert, and Co. Ld., St. Helens, Lancs. Air Analysis Apparatus Siebe, Gorman and Co. Ld., 187, Westminster- bridge-road, S.E. Air Compressors Alldays & Onions Pneumatic Engineering Co. Ld., Birmingham Alley and MacLellan Ld., Polmadie, Glasgow Bailey, Sir W. H., & Co, Ld., Salford, Manchester Beiliss and Morcom Ld., Birmingham Bever, Dorling and Co. Ld., Bradford, Yorks Daglish, Bobert, and Co., St. Helens, Lancashire Davis, John, and Son (Derby) Ld., Derby Fraser & Chalmers Ld., 3, London Wall Bldgs., E.C. Hardy Patent Pick Co. Ld., Sheffield Harvey, G. A., & Co., Woolwich-rd., London, S.E, International Channelling Machines Ld., Sheffield Llewellyn & Cubitt Ld., Pentre, B.S.O., Glam. Mining Engineering Co. Ld., (The), Sheffield Plowright Bros. Ld., Chesterfield Pulsometer Engineering Co. Ld., Beading Beavell and Co. Ld., F. Department, Ipswich Bobey and Co. Ld., Globe Works, Lincoln United States Metallic Packing Co. Ld., Bradford Walker Brothers (Wigan) Ld., Wigan Wood, John, & Sons Ld.. Brook Foundry, Wigan Air Pipes Alldays & Onions Pneumatic Engineering Co. Ld.. Birmingham Allen, A., and Son Ld., Lower Gornal, Staffs. Allen, W. G., and Sons (Tipton) Ld., Tipton Baker, John, and Son, Thompson-street, Bilston British Mannesmann Tube Co. Ld,, London Wall Lewis, William, and Son, Bilston Mining Engineering Co. Ld., Sheffield Stewarts & Lloyds Ld., Birmingham and Glasgow Theedam, E. C., Ld., Dudley Air Pumps Alldays A Onions Pneumatic Engineering Co. Ld., Birmingham Bailey, Sir W. H., & Co. Ld., Saif ord, Manchester Clarke, Chapman and Co. Ld., Gateshead on-Tyne Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Mather and Platt Ld., Manchester Pulsometer Engineering Co. Ld., Beading Bobey and Co. Ld., Lincoln Wood, John, and Sons Ld., Wigan Alternators Mather and Platt Ld., Manchester Mayor & Coulson Ld., 47, Broad-street, Glasgow Ambulance Carriages, Stretchers, &c. Theedam, E. C. Ld., Dudley Anchors Wright, Joseph, and Co., Tipton Anemometers Davis, E., 2, Aire-street Leeds Davis, John, and Son (Derby) Ld., Derby Humble, Stephen, 9, Victoria-st., London, S.W. Stanley, W. F., A Co. Ld., 286, High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester Ancles and Sections (Steel) Firth, Wm., Ld., Water-lane, Leeds Gwalia Forge Co., Caergwrle, Wrexham Anthracite Breaking, Sizing and Washing Plant Head, Wrightson and Co. Ld., Stockton-on-Tees Heenan and Froude Ld., Worcester Norton’s (Tividale) Ld., Tipton Sheppard and Sons Ld., Bridgend Simon-Carves Ld.. 20, Mount-street, Manchester Wood, John, & Sons Ld., Brook Foundry, Wigan Anti-Corrosive Compositions Wailes, Dove, & Co. Ld., Newcastle-on-Tyne Anti-Friotion Metal Tangyes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham Anvils Alldays & Onions Pneumatic Engineering Co. Ld., Birmingham Firth, William, Ld., Leeds Hardy Patent Pick Co. Ld., Sheffield Bentcn, B. M., and Co., Midland Works, Sheffield Theedam, E. C., Ld„ Dudley Wright, Joseph, and Co., Tipton Asbestos Asbestos and General Paint Co. Ld., Birmingham Northern Bubber Co., The Wicker, Sheffield Axle Greasers Wakefield, C. C., and Co., 27, Cannon-street, E.C Barrows (Ore) Bagnall, W. G., Ld., Stafford Haslam and Schontheil Ld., Cardiff Heenan and Froude Ld., Worcester Theedam, E. C., Ld., Dudley Bars (Iron and Steel) Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Firth, Wm., La., Water-lane, Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Mining Engineering Co. Ld., Sheffield Bars (Screen) Firth, Wm., Ld., Water-lane, Leeds Head, Wrightson and Co. Ld., Stockton-on-Tees Benton, B. M., and Co., Sheffield Wood, John, and Sons Ld., Wigan Bearings Bridge, David, & Co. Ld., Castleton, Manchester Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Jardine, John, Deering-street, Nottingham Bellows Alldays & Onions Pneumatic Engineering Co. Ld., Birmingham Hardy Patent Pick Co. Ld., Sheffield Haslam and Schontheil Ld., Cardiff Theedam, E. C., Ld., Dudley Bells (Signal) British Insulated and Helsby Cables Ld., Prescot Davis, John, and Son (Derby) Ld., Derby Humble, Stephen, 9, Victoria-st., London, S.W. Theedam, E. C., Ld., Dudley Belt Fasteners Thomas and Bishop, 119-125, Finsbury Pav., E.C. Belt Food Belting Cort, Arthur, & Co., 303|, Camberwell-rd., London Frost, Albert, and Co., Sheffield Hollingdrake, Henry, and Son Ld., Stockport Northern Bubber Co., The Wicker, Sheffield Beddaway, F.. & Co. Ld., Pendleton, Manchester " Scandmavia ” Belting Co. Ld., 59, Southwark- street, S.E. Sutcliffe, B., Horbury, near Wakefield Thomas and Bishop, 119-125, Finsbury Pav., E.C. Belts (Chain) Ewart’s Chain Co., Derby, England Heenan and Froude Ld., Worcester Leech, Goodall A Co., Hunslet, Leeds Wright, Joseph, and Co., Tipton Benzol Plants Coke Oven Construction Co. Ld., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester Bitumastio Solution Wailes, Dove A Co., L