August 11, 1916. THE COLLIERY GUARDIAN 283 QUALITY in SWITCH GEAR. LIQUID SWITCH GEAR of HIGH- CLASS MAKE and GOOD DESIGN. WRITE for LIST No. 60 with PRICES and OUTPUTS J. H. HOLMES & GO., Newcastle-on-Tyne. 'W > ■ S FERRO-CONCRETE LINING YEARS of STUDY and EXPERIENCE HAVE BROUGHT NIY SYSTEM OF CEMENTATION TO PERFECTION. TO COLLIERY PROPRIETORS. Shafts sunk, tunnels driven, and other mining constructions carried out in difficult and very wet ground by the best method. Success guar- anteed. 18 shafts completed in England, and 7 in progress. Ferro-Concrete Lining a speciality. Feeders of water in shafts or levels effectually treated. ALBERT FRANCOIS. DONCASTER. Telegrams—“ Francois, Doncaster,” Telephone—408 Doncaster. HIPKINS’ PATENT STEEL RIVETLESS SLEEPER, THE MOST EFFECTIVE AND ECONOMICAL STEEL RIVETLESS For* Collieries, Mines and Railways. COMBINED CHAIR & SLEEPER IN THE MARKET. No Loose Parts, No Rivets. MUCH CHEAPER THAN WOOD SLEEPERS TO-DAY. MADE TO SUIT ANY GAUGE. Dalivery 7 to 14 days from receipt of order. MADE TO FIT ANY SECTION OF RAILS. "XT. WILLIAM BICKLEY, Bloxwich, Walsall. Purchasers’ Guide to Advertisers’ Sfsecia!ities (conticued , SLEEPERS (Iron AND STEEL) —Traverses mfer et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Baird, J. W., and Co., West Hartlepool Bickley, Wm„ Eclipse Sleeper Works, Bloxwich, Walsall Bute Works Supply Co. Ld., Cardiff Benton, B. M., and Co., Midland Works, Sheffield Smiths’ Tools—Outns pour forgerons Hardy Patent Pick Co. Ld., Sheffield SMITH WORK—Ouvrages de forge Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wright’s Forge and Engineering Co. Ld., Tipton SMOKE Helmets— Casques protecteurs contre fumtes Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Spanners Fastnut Ld., 115, Newgate-street, London SPEED-REDUCING Gears-Engrenages a reduction de vitesse Wood, John, and Sons Ld., Wigan Sphincter Grip Armoured Hose—m>«« Beddaway, F., & Co. Ld., Pendleton, Manchester Springs—Ressorts Lancaster and Tonge Ld., Pendleton, Manchester Wigan Wagon Co. Ld., Springs Branch, Wigan STAM PI N C8—Estampages Ghorley 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—Specialities en tout ce qui concerns la vapeur Fell, C. A., Dronfield, near Sheffield Princeps & 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 Stewarts and Lloyds Ld., Birmingham & Glasgow Steam Mains and Pipe Installations — Conduites de vapeur Stewarts and Lloyds Ld., Birmingham A Glasgow Steam - Saving Appliances — XomwmiMur. 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 WaCONS— Voitures autos d vapeur Mann’s Patent Steam Cart and Wagon Co. Ld., Hunslet, Leeds Steam Winches—Treuiis d vapeur Clarke, Chapman & 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 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 d tdles defer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds Stencil Plates, Steel Stamps, &o.—Patrons poingons, &c. Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, Sheffield Stockbrokers. Chapman, Wm., A Co., Wheeler Gate, Nottingham Stokers 'Machine). Bennie, Ed., and Co. Ld., Little Hulton, Bolton Stone Breakers—Casse-pierres H&dfields Ld., Hecla Works. Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Stonedust Grinding Plant—Broyeurs (poussiere de schistes) Fletcher, George, and Co. Ld., Litchurch, Derby “ Jeffrey”—-Hugh Wood & Co. Ld., N’castle-on-T. Johnson, Wm.,& Sons (Leeds) Ld., Armley,Leeds Stoneware ( Sanitary ) — tanitaires 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 — J-ppareiis d recuperation du sulfate d’ammoniaque Copp^e Co. (Gt. Britain), Kingsway, London Koppers’ Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester Sulphur Recovery Plant—Apparent d rtcup&ra tion du touffre Coke Oven Construction Co. Ld., Sheffield Copp6e Co. (Gt. Britain) Ld., Kingsway, W.C. Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Co., Sheffield 8 U PER H E ATERS—S ur chauffeurs Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Pulsometer Engineering Co. Ld., Beading Surplus Steam Valves (Full Bore)—Soupapes au vapeur en trop plein Auld, D., and Sons, White vale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester SURVEYING (Books ON)—Manuel d’arpentage Thomas, Wm., Cambrian Mining School, Porth Surveying ( Instruction ) — Enseignement (arpentage) Thomas, Wm., Cambrian Mining School Porth Surveying Instrument Makers — Apparent d’arpentage Davis, John, and Son (Derby) Ld., Derby Harling, W. H., 47, Finsbury Pavement, London Stanley, W. F., & Co. Ld., 286, High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester Switch Boards—Tableaux de distribution Haslam and Stretton Ld., Cardiff Holmes, J. H., and Co., Newcastle-on-Tyne SWITCH Gear -Commutateurs ^lectriques Anderson, Boyes A Co. Ld., Motherwell, Scotland British Insulated and Helsby Cables Ld., Prescot Hasiam and Stretton Ld., Cardiff Holmes, J. H., and Co., Newcastle-on-Tyne TANKS -Reservoirs Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Harvey, G. A., &Co.(Lndn.) Ld.,Woolwich-rd.,S.E. Head, Wrightson and Co. Ld., Stockton-on-Tees Isca Foundry Co. Ld., Newport, Mon. Mather and Platt Ld., Manchester Theedam, E. C., Ld., Dudley Ward, Thos. W., Ld., Albion Works, Sheffield Wright’s Forge and Engineering Co. Ld., Tipton Wood, John, and Sons Ld., Wigan Tachographs and Tachometers—Tacheometres Davis, John, and Son (Derby) Ld., Derby Tar Distilling Plant—installations d distiller ie goudron Coal Distillation Co., Middlesbrough Coke Oven Construction Co. Ld., Sheffield Coppde Co. (Gt. Britain) Ld., Kingsway, London Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Jo., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester TECHNICAL Education— Enseignement technologique Southern, T. A., Universal Mining School, Cardiff Thomas, Wm., Cambrian Mining School, Porth Telephon ES-r^pTiones British Insulated and Helsby Cables Ld., Prescot Davis, John, and Son (Derby) Ld., Derby Haalam and Stretton Ld., Cardiff Timber (Colliery)—Borages Baird, J. W., and Co., West Hartlepool Forslind, C. A., and Son, West Hartlepool Osbeck and Co., Newcastle-on-Lyne Tools—Outns Fell, C. A., Dronfield, near Sheffield Haden and Co , Patricr ft Hardy Patent Pick Co. Ld., Sheffield Howell & Co. Ld., Brook Steel Works, Sheffield Towers (Cooling) Davenport Engineering Co., Harris-st., Bradford, Yorks Tram and Wagon Corner Plates—Comieres pour voitures Baker, John, and Son, Bilston, Staffs Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Theedam, E.C., Ld., Dudley Transformers (Electrical) — Transjomateurs eiectriques British Electric Transformer Co. Ld., Hayes, Middlesex Davis, John, and Son (Derby) Ld., Derby Transport Plant—Transporteurs British Bopeway Engineering Co. Ld., 7, Mincing- lane, London, E.C Haggie, B. Hood and Son, Nowcastlo-on-Tyne T RO M MELS—Trommels Barns, W., and Son, Globe Works, Holloway Johnson, Wm.,& Sons (Leeds) Ld., Armley, Leeds Spencer and Co. Ld., Melksham, Wilts Tubbing and Well Cylinders—Cuveiages Head, Wrightson and Co. Ld., Stockton-on-Tees Wood, John, and Sons Ld., Wigan TUB DRAWBARS—Tiges de traction pour berlines Chorley Bail way Wagon Co. Ld., Chorley, Lancs. Theedam, E. C., Ld., Dudley TUBE Fittings—Accessoires pour tuyauteries Dixon, S., and Son Ld., Swinegate, Leeds Lewis, Edwin, and Sons Ld., Wolverhampton Bussell, John, and Co. Ld., Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Spencer, John, Ld., Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasgow TUBES (Iron AND Steel)—Tubes en fer et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Dixon, S., and Son Ld., Swinegate, Leeds Howell and Co. Ld., Sheffield Lewis, Edwin, and Sons Ld., Wolverhampton Lewis, William, and Son, Bilston Bussell, John, A Co. Ld., Alma Tube Wks., Walsall Scottish Tube Co. ijd., 34, Bobertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasgow Tub Creasers and Controllers—Apparent de graissage et de r^glage pour chariots de mine Hadfields Ld., Hecla Works, Sheffield Neil, J. & J., & Co., 93, Hope-street, Glasgow Theedam, E. C., Ld., Dudley TUBS (COLLIERY)—Chariots de mine Allen, A., and Son Ld., Lower Gomal, Staffs Allen, W. G., and Sons (Tipton) Ld., Tipton Cambrian Wagon Co. Ld., Cardiff Chorley Bail way Wagon Co. Ld., Chorley. Lancs. Du Croo & Brauns, 53. Victoria-st.. London, S. W. Hadfields Ld., Hecla Works, Sheffield Humble, Stephen, 9, Victoria-st., London, S.W. Theedam, E. C., Ld., Dudley Wigan Wagon Co. Ld., Springs Branch, Wigan Tunnel Segments—Viroies de tunnel Head, Wrightson and Co. Ld., Stockton-on-Tees TURBINES—Turbines Beiliss and Morcom Ld., Birmingham Greenwood and Batley Ld., Albion Works, Leede Mather and Platt Ld., Manchester Bichardsons Westgarth and Co. Ld., Hartlepool TURBINES (Exhaust)—Turbines a vapeur d'ichappe- ment Beiliss and Morcom Ld., Birmingham Greenwood and Batley Ld., Albion Works, Leede Bichardsons Westgarth and Co. Ld.. Hartlepool Turntables—Plaques tournants Du Croo A Brauns, 53, Victoria-st., London, S.W Isca Foundry Co. Ld., Newport, Mon. Benton, B. M., and Co., Market-place Buildings Sheffield Summerson, Thomas, and Sons Ld., Darlington Wright’s Forge and Engineering Co. Ld.. Tipton TUYERES—Tuyeres Boyles Ld., Irlam, Manchester Bussell, John, and Co. Ld., Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham A Glasgow