November 20 1914. THE COLLIERY GUARDIAN. 1095 INDISPENSABLE TO STUDENTS. THE Mechanical Engineering of Collieries. By T. CAMPBELL FUTERS, M.l.M.E. THIS IMPORTANT WORK CONSISTS OF:— Vol. I.—Bound in Cloth. Price 21s. net. Part I.—Boring, Sinking, Surface Arrangements, Headgears, Shafts. 128 pp. Illustrated by 294 Diagrams and Illus- trations. Part II.—Winding. 169 pp. Illustrated by 337 Diagrams and Illustrations. Part 111.—Heapsteads, Screening and Washing. 177 pp. Illus- trated by 427 Diagrams and Illustrations. Separate parts in Paper Covers, Price 5s- 8d. each net. Vol. II.—Haulage, Pumping, Power and Coke Ovens, and a Complete Index to Vols. I. and II. 294 pp. Illustrated by 585 Diagrams and Illustrations. Paper Covers, Price 8s. 6d.; Bound in Cloth, 10s. 6d. net. SUPPLEMENTARY VOL.—Ventilating Fans, Coal-Cutting and Conveying Machinery, Ambulance and Rescue Appliances. 238 pp. Illustrated by 294 Diagrams and Illustrations. Paper Covers, Price 8s. 6d ; Bound in Cloth, 10s. 6d. net. Publishers : THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C. J. H. HOLMES & CO., Manufacturers of Electric Mining Plant, NEWCASTLE-ON-TYNE. EDWIN COTTAM & Co. LTD Cardiff <& Rotherham. LAMINATED RAILWAY CARRIAGE AND WAGON SPRINGS, VOLUTES, CONICALS, SPIRALS, &c. STEEL CASTINGS. Bute Steel and Spring Works, CARDIFF. Don Spring Works, ROTHERHAM. Don Steel Foundry, ,, Purchasers’ Guide to Advertisers’ Specialities—(continued). ENGINES (Oil)—Oelmotoren—Moteurs d huile Avonside Engine Co. Ld., Bristol Beiliss and Morcom Ld., Birmingham Robey and Co. Ld., Lincoln Tangyes Ld., Cornwall Works, Birmingham Engines (Rolling Mill) — Waizwerkmaschinen— Machines pour laminoirs Daglish, Robt., and Co. Ld., St. Helens, Lancs. ENGINES (Steam)— Dampfmaschinen—Machines d vapeur Beiliss and Morcom Ld., Birmingham Be ver, Dor ling 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 Llewellyn and Cubitt Ld., Pentre, R.S.O., Glam. Pulsometer Engineering Co. Ld., Reading Reavell and Co. Ld., Ipswich Robey and Co. Ld., Globe Works, Lincoln 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’echappement Auld, D., and Sons, Whitevale Foundry, Glasgow Royles Ld., Irlam, Manchester Exhaust Turbine Safety Valves—Sicherheits- ventile fur Adampfturbinen—Soupapes d surety pour turbine# d vapeur d’ echappement Auld, D., and Sons, White vale Foundry, Glasgow Exhibition (Colliery and Mining)-Bergbau- ausstellung—Exposition miniere EXPANSION Gear — Expansions - Vorrichtungen — Appareils de detente 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 autorisds 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 d exhaure Bumsted and Chandler Ld., Hednesford, Staffs Capell Fans (George Fletcher & Co. Ld.) .Litchurch, Derby Daglish, Robert, and Co. Ld., St. Helens, Lancs. 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. Turbon Patent Fan Co. Ld., Llanelly Waddle Patent Fan & Engineering Co. Ld., Llanelly Walker Brothers (Wigan) Ld., Wigan FANS (VENTILATING) —Minenventilatoren — Venti- lateurs d’aerage Allen, W. G., and Sons (Tip ton) Ld., Tip ton 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. Llewellyn andCubitt Ld., Pentre, R.S.O., Glam. 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 — Speisewasservorwdrmer— Rechauffeurs d’eau d’alimentation Bakers (Leeds) Ld., Hunslet, Leeds Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Hawksley, Wild and Co., Sheffield Lancaster and Tonge Ld., Pendleton, Manchester Royles Ld., Irlam, Manchester Tangyes Ld., Cornwall Works, Birmingham Wright’s Forge and Engineering Co. Ld., Tipton FENCING AND Cates — Umzaunungen u. Tore — Clotures et portes Bayliss, Jones and Bayliss Ld., Wolverhampton Ferro - Concrete Constructions — Eisenbeton- konstruktionen—Constructions en beton armt FILES—Feilen—Limes Allen, Edgar, and Co. Ld., Sheffield Hardy Patent Pick Co. Ld., Sheffield Nicholson, Benjamin, & Sons, Attercliffe, Sheffield FILTERS (Oil)—Oelfilter—Filtres d’huile Pulsometer Engineering Co. Ld., Reading Royles 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)—TFower- undFett- filter—Filtres d’eau et de graisse Bakers (Leeds) Ld., Hunslet, Leeds Mather and Platt Ld., Manchester Pulsometer Engineering Co. Ld., Reading Royles Ld., Irlam, Manchester Wright’s Forge and Engineering Co. Ld., Tipton FlRE APPLIANCES — Feuerlbscher — Extincteurs d’incendie Angus, Geo., and Co. Ld., Newcastle-on-Tyne Fell, C. A., Dronfield, near Sheffield Merryweather and Sons, 63, Long Acre, W.C. Reddaway, F., & Co. Ld., Pendleton, Manchester Valor Co. Ld., Aston Cross, Birmingham FlRE Brick Cones—Chamottekegel—Cdnes rifrac- taires Fire Bricks Lumps and Tiles—Chamottesteine, udgl.—Briques et tuiles rdfractaires FIRECLAY Goods — Chamottewaren — Articles en argile refractaire Witton Firebrick Co. Ld., Darlington FIREWOOD MACHINERY — Brennholzverarbeitungs ■ maschinen—Machines a fabriquer le bois d’allu- mage Glover, M., and Co., Holbeck-lane, Leeds Firelighter Machinery—Feueranzunder-herstei- lungs - maschinen — Machines a fabriquer les allume-feu Glover, M., and Co., Holbeck-lane, Leeds FlSH PL ATES—Laschen —Eclisses 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 Railway Wagon Co. Ld., Chorley, Lancs. Stewarts and Lloyds Ld., Birmingham Forced Draught— Druckzug-Tirageforct 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. Pillatt and Co. Ld., Stapleford, Nottingham Turbon Patent Fan Co. Ld., Llanelly FORGES— Schmiede—Forges Hardy Patent Pick Co. Ld., Sheffield Keith, James, and Blackman Co. Ld., 27, Farring- don-avenue, London, E.C. FORCINGS—Schmiedstucke—Fers forges Bagnall, W. G.,Ld., Stafford Carron Co^, Carron, Falkirk Chorley Railway 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, L dies. 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,