374 THE COLLIERY GUARDIAN. February 13, 1914. 2744. Electric mine lamp. J. Bolton and J. W. Rigby. 2759. Crushing, pulverising, or disintegrating machines. R. Emmott. 2764. Signalling apparatus for collieries and the like. J. Wardrope. 2790. Wire rope couplings. C. C. Sunderland. 2838. Cracking oils. O. H. Valpy and O. D. Lucas. 2839. Pulsators. P. A. Newton. (Ingersoll-Rand Co., U.S.) 2842. Manufacture of fuel. W. Smith. 2846 Rock-drilling machines and supporting means therefor. A. L. F. Levy-Strauss. 2848. Steam turbines. K. Baumann. 2877. Galvanising wire, hoops, sheets, and the like. E. A. Atkins. 2907. Portable breathing or rescue apparatus. J. Parker. 2908. Safety lamp for testing the quality of a mine’s atmosphere. J. Parker. 2930. Device for extinguishing the flame in firedamp or coaldust explosions. Verwaltung der Zeche Maximilian. 2939 Bodies of tip carts, wagons, and the like. R. J. Smith. 2952. Process for treating sulphate liquors. E. J. Hunt and W. T. Gidden. 2953 Manufacture of ammonium sulphate. British Cyanides Company Limited, E. C. Rossiter, and C. S. Robinson. 2978. Burners for miners’ safety lamps. W. Best. 2984. Distribution valves for direct acting steam pumps and the like. C. Macdonald. 2985. Safety coupling for colliery trams or tubs. C. J. Rumsey. 3032. Gas-recording apparatus. J. Stephenson. 3040. Mine signalling system. B. Brander. 3041. Apparatus for spraying the mould of pig-casting machines with a medium preparing the moulds for a fresh casting. Deutsche Maschinenfabrik Akt.-Ges. 3097. Reversible steam turbine. J. J. Keep. 3124. Method of and means for manufacturing weldless coupling chains for railway vehicles. C. S. Wilson. 3130. Apparatus for marking out angle-iron. Walde, Kade and Erath. 3151, 3152 and 3153. Percussion tools. Heinrich Chris- tiansen. 3233. Conveyor bands. E. A. Reed. 3241. Electric welding systems. Liverpool Electric Weld- ing Company Limited, and W. A. M. Waehsmuth. 3244. Methods of moulding and casting manganese steel. D. Carnegie. 3246. Pumps. R. E. Grayson. 3258. Grinding machinery. A. H. Moss. 3272. Trucks, transporters, and the like. F. W. Vickery. 3291. Single- or multiphase electric furnace for treating molten metal. P. Lescure. 3306. Distillation or other treatment of mineral oils and residues, applicable also to oils produced in the distillation of carbonaceous materials. C. White. Complete Specifications Accepted. To be published on February 26. 1912. 25029. Apparatus adapted for impregnating wood. Galloway and Frame. 25146. Utilisation of peat. Rigby, Testrup, and Wet- carbonising Limited. 27762. Processes of agglomerating finely-divided granular or friable materials. Kroll. 29961. Treatment of mixtures containing unsaturated aliphatic hydrocarbons. Marks. (E. I. du Pont de Nemours Powder Co.) 29962. Separation of unsaturated aliphatic hydrocarbons. Marks. (E. I du Pont de Nemours Powder Co.) 29991. Clamps or couplings for connecting pipes, rods, shafting, and other cylindrical bodies. Barber. 1913. 2564. Machines for concentrating and separatin ; ores and other substances. Wynne. 3046. Magnetic separators, Bowes, Scott and Western Limited, and Dalgleish. 3134. Measuring rod or gauge for use in mines. Harry. 3301. Machine for impressing, by rolling, metal bars of cruciform or other section. Strathern. 3504. Apparatus for preparing lime-water or the like for use in softening or purifying water. Anderson. 3505. Treatment of the waste acid and acid effluents from tin-plate works and the like. Anderson. 3586. Hammer-drills. Smith. 5150. Process and apparatus for producing tungsten and other metals in malleable form. Canello. 7126. Rotary pumps. Allan. 7625. Automatic brake slack adjusters or slack gatherers for the brake systems of railway carriages, railway wages, and the like. Birmingham Railway Carriage and Wagon Company Limited and Hill. 8552. Haulage clip. Smith. 9764. Valves for air-compressors, fluid pumps, and the like. Taylor. 10438. Apparatus for producing percussion, more particu- larly for boring. De Hulster. 10703. Method of and apparatus for the forging of crank shafts or similarly-shaped articles. Fairweather. (Williams White and Co.) 12380. Cutter-holders of coal-cutting machines. Eckersley. 13345. Divers’ helmets. Maschinenfabrik “Westfalia” Akt.-Ges. 13838. Blastfurnace and other tuyeres, coolers, or water blocks. Burnyeat, Moncur, Sibbald and Lochhead. 14107. Levelling apparatus for surveying purposes. Zwicky and Leeman. 14195. Device for preventing accidents in coal and other mines due to overwinding. Wilson. 15848. Manufacture of chains. Theile. 16265. Hoods or head - coverings for use in impure atmospheres. Garrity. 17011. Apparatus for washing coal and other minerals. Habets and France. 17869. Method of treating steel and iron in the manu- facture thereof. Gosling. 19570. Rotary compressors, exhausters, blowers, and similar apparatus, Sang. 20668. Process for producing peat fuel or coke, and appa- ratus therefor. Prioleau and Prioleau. 20747. Manufacture of steel car wheels. Keithley. 20789. Rotary pumps. Siemens Bros. Dynamo Works Limited. (Siemens-Schuckertwerke Ges.) 25323. Lubricating device for axle-bearings. Poetter. 26443. Automatic roll adjustments for rolling mills. Clark. 28634. Electric fuses for blasting purposes. Bickford, Smith and Co. and Smith. Complete Specifications open to Pnblic Inspection before Acceptance. 1913. 19433. Valves. Akt.-Ges. Brown, Boveri et Cie. 24450. Arrangement for the automatic protection of air- cooled electrical machines against damage through ignition of the air filters. Allgemeine Elektrioitats Ges. 26277. Water-tube boilers. Soc. Anon, des Etablissements Delaunay-Belleville. 1914. 2072. Heat accumulators. Maurice. 2104. Press for use in the manufacture of bricks. Emsens. 2500. Process for agglomerating coal and the like. Steven. 2515. Process for the production of fuel oil. Heppermann. 2518. Construction in wood and iron of trusses and framing for supporting roofs, arches or the like. Farcot. 2614. Pumps and the like. Poyet. GOVERHMEHT PUBLICATIONS. *** Any of the following publication* may be obtained on application to thia office at the price named post free. Consular and Trade Reports, 1912-13 : Persia, Isfahan, 5Jd. ; Trinidad and Tobago, 8d. ; U.S.A., Trade of Hawaii, 5d. National Insurance Acts, 1911-13 : List of Approved Societies, Is. Id. Imperial College of Science: Sixth Annual Report, 1912-13, 5d. PUBLICATIOHS RECEIVED. Marine Boiler Management and Construction. By C. E. Stromeyer. London: Longmans, Green and Co. Price 12s. 6d. Minins Manual and Minins Year Book 1914. By Walter R. Skinner. London: Walter R. Skinner and the Financial Times. Price 15s. “ The Coal Fields and the Coal Industry of Eastern Canada,” by F. W. Gray (Excerpt from the Transactions of the Institution of Mining Engineers, Vol. 46, Part 1) “ Bulletin of the American Institute of Mining Engi- neers” (No. 88), January; “Cassier’s Engineering Monthly” (Vol. 45, No. 2), February, price Is.; “ Journal of the Canadian Peat Society ” (Vol. 2, No. 4), December, price 25 cents; “Journal of the South African Institution of Engineers” (Vol. 12, No. 6), January, price 2s.; “Mine and Quarry” (Vol. 8, No. 1), January; “Bulletin (Vol. 11, No. 9), of the University of Illinois, ' Coalwashing in Illinois,’” by F. C. Lincoln; “ Bulletin et Comptes Rendus Mensuels de la Societe de 1’Industrie Minerale” (tome 5, No. 1), January; “ The New Tariff of the United States and its Relation to the Trade and Policy of the United King- dom and British Possessions ” (The Tariff Commission), price 3d. ; “ One and All Gardening Annual 1914,” price 2d.; “ Revue Universelie des Mines de la Metallurgie ” (tome 5, No. 1), January; “Birmingham University Mining Society Magazine ” (No. 1), January, price 6d. Hull Coal Imports.—The imports into Hull during the first month of the present year showed a great falling-off as compared with the corresponding month of last year. The total only reached 510,037 tons—469,794 tons by rail, and 40,243 tons by river—as against 643,286 tons. Coastwise shipments for the month were 69,536, whilst the exports amounted to 223,565 tons, as compared with 275,404 tons in January 1913. Grimsby Coal Exports.—The returns from Grimsby during the week ending Friday, 6th inst., show a total shipment of 12,233 tons to foreign ports, and 888 tons in the coastal trade, as compared with 21,747 and 932 tons respectively during the corresponding week last year. The shipments were: — Foreign: To Antwerp, 252 tons Barcelona, 1,353 ; Copenhagen, 296 ; Dieppe, 1,097 ; Esbjerg 411 ; Hamburg, 850 ; Malmo, 588 ; Moss, 624 ; Nexo, 477 ; Norrkoping, 1,857 ; Ronne, 815 ; Rotteedam, 480; Uddevalla, 1,450 ; and Ystad, 1,683. Coastal: To Colchester, 208 ; Gravesend, 420 ; and Whitstable, 260 tons. John Russell & Co. Ld On Admiralty List of Contractors. THE SOUTH WALES COALFIELD. PART II. By Henry K. Jordan, F.G.S. (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. (B) 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 30in., 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 coal 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 JE1 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, ana may be obtained from the Secretary. Oxygen Reviving Apparatus. The Safest and Most Reliable Means of reviving persons apparently asphyxiated is to administer Oxygen by a simple form of apparatus, as shown, and at the same time use the Schafer method of resuscitation which is known to all St. John Ambu- lance and Red Cross Students. ALSO MAKERS OF “Proto” (Fleuss-Davis Patent) Rescue Apparatus. SMOKE HELMETS. RESPIRATORS. OXYGEN INHALING APPARATUS. GAS ANALYSIS APPARATUS. SIEBE, GORMAN & CO. LTD., “Neptune” Works, LONDON, S.E. Telegrams—“Siebe, Lamb, London.” Telephone No.—251 Hop. agent for North America and Mexico-H. N. ELMER 1140, Monadnoch Block, Chicago. Merryweathers’ Patent ‘ HATFIELD PUMP For Fire Protection, Boiler Feeding, Draining, &c. COMPACT. LIGHT. ECONOMICAL. Can be driven by any motive power. An Engineer writes:—“I am pleased to inform you that the ‘Hatfield* Pump is working splendidly. I have never had the least trouble with it in iny way since it was fixed.” WRITE FOR PAMPHLET 193P. MERRYWEATHER & SONS, ^ooTwAoCRE’