June 18, 1915. THE COLLIERY GUARDIAN 1301 A CHEAP YET MOST EFFICIENT INSULATOR AGAINST HEAT RADIATION p KI \ZKI 9 SPECIALLY I I I T| COMPOUNDED “KISOL” (REGISTERED) CEMENT Sample I cwt. bag sent carriage paid to any address for 7s. 6d. ASK FOR “HINTS” ON COVERING STEAM PIPES, BOILERS, &c. . . ---Post Free on Application. - WM. KENYON & SONS Ltd., DUKINFIELD, nr. MANCHESTER. QUALITY in SWITCH GEAR. LIQUID SWITCH GEAR of HIGH- CLASS MAKE and GOOD DESIGN. mwi WRITE for LIST No. 60 with PRICES and OUTPUTS J. H. HOLMES & CO., Newcastle-on-Tyne. Cloth, Price is. 6d. net. SUGGESTED RULES FOR RECOVERING COAL MINES AFTER EXPLOSIONS AND FIRES. By W. E. GARFORTH. THE COLLIERY GUARDIAN CO. LTD., 30 A 31, Furnival Street, Holborn, London, E.C. THE SOUTH WALES COALFIELD. PART II. By Henry K. Jordan, F G.8. (Past President and first Gold Medallist of the South Wales Institute of Engineers). This Paper, which deals with the western part of the Coalfield, has just been published by the South Wales Institute of Engineers. It consists of 81 pages of printed matter with sections and diagrams. The large drawings are issued separately and comprise:— 1. A Horizontal Section across the anthracite region of Llandybie and Pant-y ffynnon, and via the Dulais Valley to the sea at Swansea. It is drawn to a scale of six inches to one mile, is 8 ft. in length, mounted on linen, and geologically coloured. 2. Comparative Sections of the Lower Measures in the following areas (A) Neath Valley. (E, Ammanford. (Bi Swansea Valley. (F) Loughor Valley. (C) Brynamman District. (G) Gwendraeth District. (D) Amman Valley. (H) Gwendraeth District. These are drawn on one sheet, about 35 by 30 in., mounted on linen, to a scale of 200 ft. to 1 in. 3. A Map of Swansea District, on a scale of 6 in. to one mile, showing the outcrops of the Cual seams. A limited number of the above are for sale, and may be obtained from The Secretary, The South Wales Institute of Engineers, CARDIFF. Price £1 Is., Postage Extra. “ The South Wales Coalfield,” Part I., by Mr. H. K. Jordan, published in 1908, price £2 2s , dealt with the eastern half of the Coalfield, and may be vbtained from the Secretary. CEMENTATION Shaft Sinking and Drift Driving through any kind of Water-bearing Measures, by Improved Patent Cement- ation and Chemical Processes. Concrete Lining a speciality. Feeders of water existing in Shafts or Levels treated. Seventeen Shafts already cemented in England In the last two years. Complete Estimates given on application. ALBERT FRANCOIS, 9 / Whitehouse Chambers, DONCASTER. OXYGEN. The BRITISH OXYGEN Co. Ld. The oldest and most extensive Oxygen producing and distributing business in the World. Factories in ail industrial Centres equipped with modern plants producing Oxygen of unrivalled quality for use with RESCUE APPARATUS. ADDRESSES OF THE COMPANY’S WORKS: LONDON ........ Elverton St., Westminster, S.W. „ ....... Tunnel Avenue, EastGreenwich, BIRMINGHAM ... Saltley Works. [S.E. WOLVERHAMPTON Lower Walsall Street. CARDIFF ....... East Moors. MANCHESTER. Great Marlborough Street. BIRKENHEAD..... Bromborough Port. SHEFFIELD ..... Celtic Works, Savile Street. NEWCASTLE-ON- TYNE ....... Walker Gate. GLASGOW.... Rosehill Works, Polmadie. SYDNEY ........ N.S.W. ENGINES (Oil)—Oelmotoren—Moteurs d huile Avonside Engine Co. Ld., Bristol Beiliss and Morcom Ld., Birmingham Fairbanks, Morse & Co. Ld., 87, South wark-st., S.E. Tangyes Ld., Cornwall Works, Birmingham Engines (Rolling Mill) — Waizuerknw,schinen— Machines pour laminoirs Daglish, Eobt., and Co. Ld., St. Helens, Lancs. ENGINES (Steam)—Dampfmaschinen—Machines d vapeur Beiliss and Morcom Ld., Birmingham Be ver, Dorling and Co. Ld., Bradford Bumsted and Chandler Ld., Hednesford, Staffs Daglish, Robert, and Co. Ld., St. Helens, Lancs. Hathorn, Davey and Co. Ld., Leeds Lancaster and Tonge Ld., Pendleton, Manchester Pulsometer Engineering Co. Ld., Beading Eeavell and Co. Ld., Ipswich Richardsons Westgarth and Co. Ld., Hartlepool Sandycroft Ld., Sandy croft, near Chester Stewarts and Lloyds Ld., Birmingham Stewarts and Lloyds Ld., 41, Oswald-st., Glasgow Tangyes Ld., Cornwall Works, Birmingham Walker Brothers (Wigan) Ld., Wigan Ward, Thos. W., Ld., Albion Works, Sheffield Wood, John, and Sons Ld., Wigan Wootton Bros. Ld., Coalville, Leicester Worsley Mesnes Ironworks Ld., Wigan Exhaust Turbine Reducing Valves—Reduzier- ventile fur Abdampfturbinen—Soupapes reduc- trices pour turbiness d vapeur d* ichappement Auld, D., and Sons, White vale Foundry, Glasgow Roy les Ld., Irlam, Manchester Exhaust Turbine Safety Valves—Sicherheits- ventile fur Adampfturbinen—Soupapes a sHreti pour turbine# a vapeur d’ ichappement Auld, D., and Sons, White vale Foundry, Glasgow Exhibition (Colliery and Mining) -Bergbau- ausstellung—Exposition miniere EXPANSION Gear — Expansions - Vorrichtungen — Appareils de ditente Daglish, Robert, and Co. Ld., St. Helens, Lancs. Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Explosives—Sprengstoffe—Expiosifs British Explosives Syndicate Ld., Glasgow Cotton Powder Co. Ld., 32, Queen Victoria-st., E.C. Curtis’s and Harvey Ld., Cannon-st. House, E.C. Davis, John, and Son (Derby) Ld., Derby Miners’ Safety Explosives Co. Ld., 16, Great George-street, Westminster, S.W. New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Roburite and Ammonal Ld., 103, Cannon-st., E.C. Thompson and Co., Wigan Explosives (Permitted) — Genehmigte Spreng- stoffen—Explosifs autorisis British Explosives Syndicate Ld., 124, St. Vin- cent-street, Glasgow Cotton Powder Co. Ld., 32, Queen Victoria-st., E.C. Curtis’s and Harvey Ld., Cannon-st. House, E.C. Miners’ Safety Explosives Co. Ld., 16, Great George-street, Westminster, S.W. New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Roburite and Ammonal Ld., 103, Cannon-st., E.C. FANS (Air Propeller)— Druckventilatoren—Roues de ventilation Davidson and Co. Ld., Belfast Keith, James, and Blackman Co. Ld.,27, Farring- don-avenue, London, E.C. FANS (EXHAUST)—Saugventilatoren—Ventilateurs a exhaure Bumsted and Chandler Ld., Hednesford, Staffs Capel!Fans (George Fie tcher& Co.Ld.), Litchurch, Derby Daglish, Robert, and Co. Ld., St. Helens, Lancs. Purchasers’ Guide to Advertisers’ Specialities—(continued). Fans (Exhaust)—continued. Davidson and Co. Ld., Belfast Fletcher, George, and Co. Ld., Litchurch, Derby Harvey, G. A. & Co. (Ldn.) Ld., Woolwich-rd., S.E. Jeffrey Manufacturing Co.—for Agents see advert. Keith, James, and Blackman Co. Ld., 27, Farring- don-avenue, London, E.C. Tur bon Patent Fan Co. Ld., Llanelly Waddle Patent Fan & Engineering Co. Ld., Llanelly Walker Brothers (Wigan) Ld., Wigan FANS (VENTILATING)—Minenventilatoren— Venti- lateurs d'airage Allen, W. G., and Sons (Tipton) Ld., Tipton Ashton, David, & Co., Aztec Works, Sheffield Bumsted and Chandler Ld., Hednesford, Staffs. Capell Fans (George Fletcher & Co.Ld.),Litchurch, Derby Daglish, Robert, and Co. Ld., St. Helens, Lancs. Davidson and Co. Ld., Belfast Fletcher, George, and Co. Ld., Litchurch, Derby Harvey, G. A., & Co. (Ldn.) Ld., Woolwich-rd., S.E. Humble, Stephen, 9, Victoria-st., London, S.W. Jeffrey Manufacturing Co.—for Agents see advert. Keith, James, and Blackman Co. Ld.,27, Farring- don-avenue, London, E.C. Lewis, Wm., and Son, Bilston, Staffs. Theedam, E.C., Ld., Dudley Turbon Patent Fan Co. Ld., Llanelly Waddle Patent Fan & Engineering Co.Ld., Llanelly Walker Brothers (Wigan) Ld., Wigan Feed-Water Filters — Spiesewasserfilter — Filtres d’eau d’alimentation Mather and Platt Ld., Manchester Wright’s Forge and Engineering Co. Ld., Tipton FEED-WATER Heaters — Speisewasservorwarmer— Richauffeurs d’eau d’alimentation Bakers (Leeds) Ld., Hunslet, Leeds Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Lancaster and Tonee Ld.. Pendleton, Manchester Richardsons Westgarth and Co. Ld., Hartlepool Boyles jua., Irlam, Manchester Tangyes Ld., Cornwall Works, Birmingham Wright’s Forge and Engineering Co. Ld., Tipton Fencing AND Gates — Umzdunungen u. Tore — CUtures et portes Bayliss, Jones and Bayliss Ld., Wolverhampton Ferro - Concrete Constructions — Eismbetm- konstruktionen—Constructions en biton armi Midland Counties Reinforced Concrete Co., 39, Newhall-street, Birmingham FI LES—Feilen—Limes Hardy Patent Pick Co. Ld., Sheffield Nicholson, Benjamin, & Sons, Attercliffe, Sheffield FILTERS (Oil)—Oelfilter—Filtres d’huile Princeps & Co., Sheffield Pulsometer Engineering Co. Ld., Beading Boyles Ld., Irlam, Manchester Theedam, E. C., Ld., Dudley Wakefield, C. C., and Co., 27, Cannon-st., E.C. Willcox, W. H., and Co. Ld., London, S.E. Wright’s Forge and Engineering Co. Ld., Tipton Filters (Water and Crease)—Wasser- undFett- filter—Filtres d’eau et de graisse Bakers (Leeds) Ld., Hunslet, Leeds Mather and Platt Ld., Manchester Pulsometer Engineering Co. Ld., Beading Boyles Ld., Irlam, Manchester Wright’s Forge and Engineering Co. Ld., Tipton FlRE Appliances — Feuerlbscher — Extincteurs d’incendie Fell, C. A., Dronfield, near Sheffield Reddaway, F., & Co. Ld., Pendleton, Manchester Valor Co. Ld., Aston Cross, Birmingham Fire BRIOK Cones—Chamottekegel—Cones refrae- taires Fire Bricks Lumps and Tiles—Chanwttntevne, udgl.—Briques et tuiles rifractaires FIRECLAY Goods — Chamottewaren — Articles en argile rifractaire Witton Firebrick Co. Ld., Darlington FIREWOOD MACHINERY — Brennholzverarbeitungs - maschinen—Machines d fabriquer le bois d’allu- mage Firelighter Machinery—F.u«r<™*nder-h«r»tei- lungs - maschinen — Machines a fabriquer les allume-feu Fishplates—Laschen—Eciisses Bute Works Supply Co. Ld., Cardiff Firth, William, Ld., Leeds Renton, B. M., and Co., Midland Works, Sheffield Shelton, Iron, Steel, & Coal Co. Ld., Stoke-on-Trent Ward, Thos. W., Ld., Albion Works, Sheffield Fittings (Iron and Steel)-Zubehor aus Eisen und Stahl—Garnitures en fer et en acier Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Scottish Tube Co. Ld.,34, Robertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham Forced DRAUGHT — Druckzug — Tirage ford Bennis, Ed., and Co. Ld., Little Hulton, Bolton Bumsted and Chandler Ld., Hednesford, Staffs. Davidson and Co. Ld., Belfast Keith, James, and Blackman Co. Ld.,27, Farring- don-avenue, London, E.C. Turbon Patent Fan Co. Ld., Llanelly FORCES—Schmiede—Forges Hardy Patent Pick Co. Ld., Sheffield Keith, James, and Blackman Co. Ld., 27, Farring- don-avenue, London, E.C. FORGINGS—Schmiedstucke—Fers forgis Bagnall, W, G., Ld., Stafford Carron Co* Carton, Falkirk Chorley Bail way Wagon Co. Ld., Chorley Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Renton, B. M., and Co., Midland Works, Sheffield Walker Bros. (Wigan) Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton Yorkshire Engine Co. La., Sheffield Friction Clutches — Friktionskuppiungen—Em- brayages d friction Bever, Dorling, and Co. Ld., Bradford, Yorks Bridge, David, and Co. Ld., Castleton, Manchester Daglish, Robert, and Co. Ld., St. Helens, Lancs. Nortons (Tividale) Ld., Tipton Reavell and Co. Ld., Ipswich Reddaway, F., & Co. 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 — Futter fur Friktionskup - plungen, udgl.—Fourrures d’embrayages, &c. Frood, Herbert, Co. Ld., Chapel-en-le-Frith Scandinavia Belting Co.Ld., 59, Southwark-st., S. E. Worsley Mesnes Ironworks Ld., Wigan Fuel ECONOMISERS—Kohlensparer—Economzseurs de combustible Fell, C. A., Dronfield, near Sheffield FUEL Machinery — Brennstoffebearbeitungs- maschinen—Machines d trait er les combustibles Briquette Machinery Ld., 161, Water-lane, Leeds Johnson, Wm. & Sons (Leeds) Ld., Annley, Leeds Middleton, Robert, Sheepscar Foundry, Leeds Yeadon, Son and Co., Albion-place, Leeds FURNACES—Kesselfeuerungen—Foyers a chaudieres Bennis, Ed. and Co. Ld., Little Hulton, Bolton Goodall, Clayton and Co. Ld., Hunslet, Leeds FURNACE Bars—Roststabe—Barreaux de'grille Heywood Airtight Damper Co. Ld., Gomersal, Leeds FURNACE IRONWORK — Eisenkonstructionsteile fur Feuerungsanlagen—Serrurerie pour des installa- tions de foyers Goodall, Clayton and Co. Ld., Hunslet, Leeds Wood, John, and Sons Ld., Wigan FUSE IGNITERS — Zundschnuranzunder — Allumages pour miches de stireti British Explosives Syndicate Ld., 124, St. Vin cent-street, Glasgow Cotton Powder Co. Ld., 32, Queen Victoria-st., E.C. Curtis’s and Harvey Ld., Cannon-st. House, E.C. Davis, John, and Son Ld. (Derby) New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Roburite and Ammonal Ld., 103, Cannon-st., E.C. GAS COMPRESSORS — Gaskompressoren — Compres seurs de gaz Beiliss and Morcom Ld., Birmingham CAS ENGINES—Gasmotoren—Moteurs d gaz British Oxygen Co. Ld., El verton-st., Westminster Mather and Platt Ld., Park Works, Manchester Tangyes Ld., Cornwall Works, Birmingham GAS EXHAUSTERS — Gasabsaugvorrichtungen Machines a aspwer les gaz Coppde Co. (Gt. Britain) Ld., Kingsway, London Koppers’ Coke Oven and Bye-Product Co.,Sheffield CAS PLANT—Gasanlagen—Installations d gaz Coal Distillation Co., Middlesbrough Copp^e Co. (Gt. Britain) Ld., Kingsway, W.C. Koppers’ Coke Oven & Bye-Product Co., Sheffield Kynoch Ld., Witton, Birmingham Mather and Platt Ld., Manchester Gas - Testing Lamps — Grubenwetterprufer — Lampes grisoumitriques Ackroyd and Best Ld., Morley, Leeds Davis, John, and Son (Derby) Ld., Derby Protector Lamp and Lighting Co, Ld., Eccles Teale, W. E., and Co. Ld., Swinton, Lancs. Wolf Safety Lamp Co., Sheffield Gas Tubes and Fittings—Gasrohren u. Zubeho Tuyaux et accessories d gaz Lewis, Edwin, and Sons, Wolverhampton Scottish Tube Co. Ld., 34, Robertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham & Glasgow CAS VALVES—Gasventile—Soupapes d gaz Haslam and Stretton Ld., Cardiff GAUGE Glasses — Wasser standsglaser —Tubes de niveau d’eau Davis, John, and Son (Derby) Ld., Derby Guilbert-Martin, 9, Edmund-pl., Aldersgate, E.C. Hopkinson, J., and Co. Ld., Huddersfield Royles Ld., Irlam, Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Treasure, J. B., & Co., 8 & 12, Vauxhall-rd., L’poel. Trist, Ronald, and Co. Ld., 4, Lloyds-avenus, E.C.