April 7, 1916. THE COLLIERY GUARDIAN. 677 PRATCHITT BROTHERS, Denton Ironworks, CARLISLE. CABLE : A.B C. CODE. Telegraphic Address: “Haggle, Gateshead.” Telephones: 3067, 3068. MAGGIE BROS. LTD., ESTABLISHED 1800. GA TESHEAD-ON-TYNE. PUMPING, WINDING and HAULING ENGINES CORRUGATED and FLAT SHEETS and GALVANISED GOODS; TUB & CORNER PLATES; AIR PIPES and all Colliery Requirements. J. SUMMERHILL & CO., Beaver Works, WOLVERHAMPTON. MANUFACTURERS OF EVERY DESCRIPTION OF ROUND AND FLAT WIRE ROPES for Collieries, Mines, Cable-Tramways, Incline Haulage, Aerial Ropeways, Power Transmission, Cranes, Derricks, Elevators, Steam Ploughs, Suspension Bridges, Pit Guides. “THE SOUTH WALES COAL-FIELD.”—PART III. By HENRY K. JORDAN. F.G.S (Past Presidentand First Gold Medalli-t of the South Wales Institute of Engineers). rpHIS Paper completes the author’s monograph on the South Wales Coal-Field, and is published by the South Wales Institute of Enginers. It comprises 89 pages of printed matter, with a number of Sections inter- leaved, and the following large drawings which are issued separately:— 1 A Horizontal Section across the Carmarthenshire Coal-Field from Pontyberem to the Sea near Llanelly. Hie Section is nvi feet in length, mounted on linen, and geological'y co'oured. 2 A Map on the Six-inch Scale of the Anthracite Area of Llan- non, Mynydd-Sylen, and Pontyberem. It also illustrates the ■ ’utcrcps of the Skarns, Faults. &c. Three Sheets of Vertical Sections of the Deep and Important New Collieries that have been Sunk throughout the Coal- Field during the Past Six Years. The -ections are drawn to a Rcaio of 100 ft to 1 in., and the sheets are 40x27 in., mounted on linen. The first portion of the text deals with the anthracite area and with the Pennant seams to the north and west of Llanelly and Burry Port. The remaining portion discusses the new collieries in Glamorganshire and Monmouthshire, with much additional information which brings the subject up to date. A limited number of the above are for sale, price £ 2 2s. (postage extra), and may be obtained from THE SECRETARY, The South Wales Institute of Engineers, Cardiff. “The South Wales Coal-Field,” Part I., by Mr. H. K. Jordan, price £2 2s., de«bng with ihe eastern ha-f of the Coal-Field; and “The fikuth Wales Coal-Field ” Part II., by Mr. H. K. Jordan, price £1 Is., dealing with the western half of the Coal-Field, may be obtained from the Secretary. STANDING RIGGING FITTED COMPLETE. WIRE SIGNAL LINES FOR RAILWAYS and COLLIERIES LIGHTNING CONDUCTORS, etc. Also all kinds of Round and Flat Hemp and Manilla Ropes, Coir Ropes, etc. NON-SPINNING ROPES (PATENT APPLIED FOR). Guaranteed absolutely free from any spin whatever. Specially adapted for SINKING purposes to any depth, and for use on CRANES ; has 25 per cent. Greater Breaking Strain than ordinary constructed ropes, and contains Exceptional Flexibility combined with Durability. LONDON OFFICE : 34, Fenchurch Street, E.C. GLASGOW OFFICE : 134, St. Vincent Street. Telephone, 1595 Avenue. CARDIFF STORE : W. H. Tucker, 3,4 6 5, West Bute St. SOUTH AFRICAN AGENT: HULL STORE: Jas. Ruthven, St. Andrew’s Dock. D. Cullen, M.E., Loveday St., Johannesburg. Purchasers’ Guide to Advertisers’ Specialities—(continued). Forced Draught—Ttrage 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, Earring- don-avenue, London, E.C. Turbon Patent Fan Co. Ld., Llanelly Forces—Forges Hardy Patent Pick Co. Ld., Sheffield Keith, James, and Blackman Co. Ld., 27. Farring- don-avenue, London, E.C. Forcings—Fers forgts Bagnall, W. G., Ld., Stafford Chorley Bail way Wagon Co. Ld., Chorley Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Benton, B. M., and Co., Midland Works, Sheffield Walker Bros. (Wigan) Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tip ton Yorkshire Engine Co. Ld., Sheffield 4 FRICTION CLUTCHES—Embrayages d friction Be ver, Dorling, and Co. Ld., Bradford, Yorks Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Bea veil and Co. Ld., Ipswich Beddaway, F„ A Co. Ld., Pendleton, Manchester Theedam, E. C., Ld., Dudley Walker Brothers (Wigan) Ld., Wigan Wild, M. B„ and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton FRICTION SURFACES—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—Uconomiseurs de combustible Foil, 0. A„ Dronfleld, near Sheffield FUEL Machinery— Machines d traitor les combus- tibles Briquette Machinery Ld., Charmouth-st., Leeds Johnson, Wm. A Sons (Leeds) Ld., Armley, Leeds Middleton, Bobert, Sheepscar Foundry, Leeds Yeadon, Son and Co., Albion-place, Leeds FURNACES—Foyers d chaudieres Bennis, Ed. and Co. Ld., Little Hulton, Bolton Goodall, Clayton and Co. Ld., Hunslet, Leeds Neil, J. A J., A Co., 93, Hope-street, Glasgow FURNACE Bars—Barreaux de grille Heywood Airtight Damper Co. Ld„ Gomersal, Leeds Neil, J. A J., A Co., 93, Hope-street, Glasgow FURNACE Ironwork—Serrurerie pour des installa- tions de foyers Goodall, Clayton and Co. Ld., Hunslet, Leeds Wood, John, and Sons Ld., Wigan FUSE IGNITERS—Allwmaget pour mSches de stirett 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., 110, Cannon-street, E.C., Davis, John, and Son Ld. (Derby) New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Boburite and Ammonal Ld., 103, Cannon-st., E.C. Gas Compressors—compresseurs de gaz Beiliss and Morcom Ld., Birmingham Gas Engines—Moteurs a gaz British Oxygen Co. Ld., El verton-st., Westminster Mather and Platt Ld., Park Works, Manchester Tangy es Ld., Cornwall Works, Birmingham CAS EXHAUSTERS- Machines d aspirer les gaz Coppde Co. (Gt. Britain) Ld., Kings way, London Koppers’ Coke Oven and Bye-Product Co.,Sheffield Gas Plant—Installations d gaz Coal Distillation Co., Middlesbrough Copp6e Co. (Gt. Britain) Ld., Kingsway, W.C. Koppers’ Coke Oven A Bye-Product Co., Sheffield Kynoch Ld., Witton, Birmingham Mather and Platt Ld., Manchester GAS-TESTING Lamps— Lampes grisoumetriques 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—Tuyaux et accessoires d gaz Lewis, Edwin, and Sons, Wolverhampton Scottish Tube Co. Ld.,34, Bobertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham A Glasgow Gas Valves—Soupapes d gaz Haslam and Stretton Ld., Cardiff GAUGE GLA88E8—Tubes de niveau d’eau Davis, John, and Son (Derby) Ld., Derby Guilbert-Martin, 9, Edmund-pl., Aldersga.te, E.C. Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Treasure, J. B., A Co., 8 A12, Vauxhall-rd., L’pool Gauge Glass Protectors—Enveioppes protec- trices powr les indicateurs de niveau Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Woodite Company, Mitcham Common GAUGES—Indicateurs de niveau Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Gear (Special for Motor Lorries, Cars, &o.) Transmission pour camions automobiles, &c. GEARING—-Engreuuges British Insulated and Helsby Cables Ld., Prescot Brown. David, and Sons (Huddersfield) Ld., Lockwood, Huddersfield Bumsted and Chandler Ld., Hednesford, Staffs Daglish, Bobert, and Co. Ld., St. Helens. Lancs. Fraser, Douglas, and Sons Ld., Arbroath Goodall, Clayton and Co. Ld., Hunslet, Leeds Lancaster and Tonge Ld., Pendleton, Manchester Benold, Hans, Ld.. Didsbury, Manchester Walker Brothers (Wigan) Ld., Wigan Wild, M. B., and Co. Ld., NecheUs, Birmingham Wood, John, and SonsLd., Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan Yorkshire Engine Co. Ld.. Sheffield Girders (Iron and Steel)—PmtreUes en fer et en acier Bayliss, Jones A Bayliss Ld., Wolverhampton Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Firth, Wm., Ld., Greek-street Chambers, Leeds Henderson and Glass, Liverpool Isca Foundry Co. Ld., Newport. Mon. 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 Ward, Thos. W., Ld., Albion Works, Sheffield Glass Manufacturers (Tube Rods Enamels) Fabricants de verre (tubes, bagues, Emails) Guilbert-Martin, 9, Edmund-pl., Aldersgate, E.C. Governors (Engine)—Rtguiateurs Evans, Joseph, A Sons (Wol.) Ld., Wolverhampton Mather and Platt Ld., Manchester Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Tangyes Ld., Cornwall Works, Birmingham GRANARY Equipment— Equipages des greniers Porteus, George, Leeds Bridge, Leeds GREA8E—Schmiere—Qraisses Chorley Bail way Wagon Co. Ld., Chorley, Lancs. Trier Bros. Ltd., Caxton House, Westminster Theedam, E. C„ Ld., Dudley Greasers (Automatic)—Graisseurs automatiques Evans and Dodd, Cannock, Staffs Grinding Machinery—Bro*™™ Bradley Pulverizer Co., 37, Walbrook, E.C. Hardy Patent Pick Co. Ld., Sheffield “ Jeffrey ’’—Hugh Wood A Co. Ld., N’castle-on-T. Johnson, W., A Sons (Leeds) Ld., Armley, Leeds Gunite GUNPOWDER—Schiesspulver—Poudre a canon British Explosives Syndicate Ld.. 124, St. Vin- cent-street, Glasgow Cotton Powder Co. Ld., 24, Walbrook,London,E.C. Curtis’s and Harvey Ld.,110, Cannon-street, E.C. Boburite and Ammonal Ld., 103, Cannon-st., E.C. Hammers (Power) Mayer Brothers Co., Mankato, Minn., U.S.A. Harness—Harnais Legard and Sons, Leather Merchants, Barnsley HAULING Drums—Tambours a traction Be ver, Dorling and Co. Ld., Bradford Bumsted and Chandler Ld., Hednesford, Staffs Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Lowmoor Co. Ld., Lowmoor Iron works, Bradford Mining Appliances Co., 32, Church-st., Sheffield Phillips, C. D., Newport, Mon. Spencer and Co. Ld., Melksham, Wilts Sutcliffe, Bichard, Horbury, near Wakefield Walker Bros. (Wigan), Ld., Wigan Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville, Leicester Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton Youngs, Byland-street Works, Birmingham HEADGEARS-Chassis d molettes Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Head, Wrightson and Co. Ld., Stockton-on-Tees Goodall, Clayton and Co. Ld., Hunslet, Leeds Spencer and Co. Ld., Melksham, Wilts Wright’s Forge and Engineering Co. Ld., Tipton Heading Machines—Bmmm Davis, John, and Son (Derby) Ld., Derby Hardy Patent Pick Co. Ld., Sheffield International Channelling Machines Ld., Sheffield “ Jeffrey ”—Hugh Wood A Co. Ld., N’castle-on-T. Sullivan Machinery Co., Salisbury House, E.C. HEAP8TEADS—Installation de sieges Coulson, M., and Co., Spennymoor, Co. Durham Goodall, Clayton and Co. Ld.. Hunslet, Leeds Hardy Patent Pick Co. Ld.. Sheffield Head, Wrightson and Co. Ld.. Stockton-on-Teea Plowright Bros. Ld.. Chesterfield Spencer and Co. Ld., Melksham, Wilts Walker Bros. (Wigan) Ld.. Wigan Wood, John, and Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton H0I8T8—Monte-charges Daglish, Bobert, and Co. Ld., St. Helena. Lanca. Goodall, Clayton and Co. Ld., Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Mather and Platt Ld., Manchester Bea veil and Co. Ld., Ipswich Sandy croft Ld., Chester Spencer and Co. Ld., Melksham, Wilts Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton Youngs, Byland-street Works, Birmingham Hooks or Links (Safety)—Crochets de sarett Humble, Stephen, 9, Victoria-street, S.W. Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton Hoppers—Tremies Baker, John, and Son, Bilston, Staffs Coulson, M., and Co. Ld., Spennymoor Goodall, Clayton and Co. Ld., Hunslet, Leeds Harvey, G. A., A Co. (Ldn.) Ld., Woolwich-rd.,S.E. Hardy Patent Pick Co. La., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester Spencer and Co. Ld., Melksham, Wilts Theedam, E. C., Ld., Dudley Wright’s Forge and Engineering Co. Ld.. Tiptea HOSE—Tuyaux flexibles Hardy Patent Pick Co. Ld.. Sheffield Mining Engineering Co. Ld., Sheffield Beddaway, F., A Co. Ld.. Pendleton. Manchester Willcox, W. H.,A Co.Ld., 32-38, South wark-st.,S.E. H U MIDIFIE RS—B umidi Rcation Mather and Platt Ld., Manchester Hydraulic Machinery—Machines hydrauiiques Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Hathorn, Davey and Co. Ld., Leeds Mather and Platt Ld., Manchester Middleton, Bobert, A Co., Sheepscar F’ndry, Leeds Peam, Frank, A Co. Ld., West Gorton, Manchester Pulsometer Engineering Co. Ld., Beading Sullivan Machinery Co.. Salisbury House, E.C. Tangyes Ld., Cornwall Works, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Youngs, Byland-street Works, Birmingham Hygrometers - Hyrometres Davis, John, and Son (Derby) Ld., Derby Nalder Bros, and Thompson Ld., 97A/Dalston- lane, N.E. INCLINE Rollers—Rouleaux pour plans inclines Bagnall, W. G., Ld., Stafford Goodall, Clayton and Co. Ld., Hunslet. Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford INDIARUBBER GOODS—Articles en caoutchouc Chorley Bailway Wagon Co. Ld., Chorley. I arcs. Beddaway, F., A Co. JUd., Pendleton, Manchester Indicators (Steam Engine)—indicateurs a essais Davis. John, and Son (Derby) Ld.. Derby Nalder Bros, and Thompson Ld., 97a, Dalston- lane, N.E. Induced Draught Fans-Tirage induit Bumsted and Chandler Ld., Hednesford, Stuffs Davidson and Co. Ld., Belfast Keith, James, and Blackman Co. Ld., 27, Farring- don-avenue, London. E.C. Turbon Patent Fan Co. Ld., Llanelly Injectors and Ejectors— injecteurs et aspirate™™ Hopkinson. J., and Co. Ld., Huddersfield Pvlaome+er Engineerinsr Co. Ld., Beading Willcox, W. H., ACo. Ld..32-38.Soiitbw»rk-Bt„S.E INSTRUCTION (Postal) — Enseignement par corr svondance Southern. T. A., Universal Mining School. Cardiff Thomas, Wm., Cambrian Mining School. Forth IN STRU M ENTS—Tnntrvm mt, Davis. John, and Son (Derby) T d., Derby Thornton, A. G., Ld., King-st. West, Manchester Insulating Compound Varnish Blume. Chas. H., Western-road, Mitcham Insurance Brokers and Agents — Courtiers d’assurance