June 27, 1913. THE COLLIERY GUARDIAN. 1409 Timbering of Mines. (Grubenausbau.) A. Dittmarsch. f 8vo, 155pp., 213 ill. “ Der Bergbau,” vol. 4. Leipzig, M. Jaenecke. 5s. Reinforced Concrete in Mines. S. M. Dixon. “ Colliery Guard.,” vol. 105, 2738, p. 1333. (Abst. paper read before S. Staffs. Inst. Min. Engin.) 6d. X.—Surface Arrangements. Guarding Against the Dangers of Surface Subsidence in Buildings. (Ueber die Durchbildung von Bauten zur Verhiitung von Berschaeden.) Elwitz. “ Gliick- auf,” 1913, 8, p. 278-87; 37 fig. 2s. 6d. XL—Winding and Haulage. Mechanical Conveyance from the Working Face Under- ground. (Maschinelle Wegfuellarbeit im Betrieb unter Tag.) A. Gerke. “ Bergbau,” 1913,9, p. 145-8, 3 fig.; 10, p. 162-5, 3 fig. 4s. Face Conveyors. (Ueber Abbaufoerderung.) A. Gerke. 8vo., 305 pp.; 274 ill., 5 map. Kattowitz, Boehm. 1913. Cross Tail Rope. (Gekreuzte Unterseile.) “ Bergbau,” 1913, 1, 2, p. 15. 2s. Shaft Winding with a Koepe Pulley. (Die Schacht- forderung mit Treibscheibe, Koepescheibe). Winter- meyer. “ Bergbau,” 1913, p. 241; ill. 2s. Edman’s Improved Strap Brake. “Indian Engin.” vol. 53,18, p. 250; I pl. (Fitted to electric winding plant for lowering and heaving wagons.) Winding Drums. “ Times Engin. Supp.,” 1913, 428, p. 26. Is. Improvements in Koepe Winding. (Neuer ungen an Koepefoerderungen.) 0. Kruse. “ Braunkohle,” 1913, 11, 43, p. 691; 1 fig. 2s. Device for Closing Inclines and Rising Drives. (Absch- lussvorrichtung fuer Bremsberg und Aufbruchan- schlaege.) J. Boeckmann. “Bergbau,” 1913, 7, p. 115 ; 3 fig. 2s. Uniform Dimensions for Mine Rails. (Einheitliche Abmessungen von Grubenschienen.) Dobbelstein. “ Gliickauf,” 1913, 10, p. 364-5. 2s. 6d. Application of Concrete Sleepers for Mine Railways. (Verwendung von Eisenbetonschwellenkoerpern fuer eine mit Schlackenhunten befahrene Grubenbahn.) H. F. Kuehl. “ Z. Tief bau,” vol. 9, 5, p. 46-9; 7 fig. Automatic Track Lock. (Selbsttaetige Gleissperrvor- richtung.) “ Gliickauf,” 1913, 8, p. 297; 2 fig. 2s. 6d. Guideless Mine Accumulator Locomotives. J. Rechent- wald. “ Coal Age,” vol. 3,17, p. 636-7; 6 fig. Is. 3d. Safety Catch for Use in Inclines. (Fangvorrichtung in geneigten Strecken.) “ Stein-Braunkohle,” 1913, 2, 19-21; 7 fig. 2s. 6d. Wheel Sets with Roller Bearings for Pit Tubs. (Rollen- lagerradsaetze fur Forderwagen.) “ Kohle Erz,” 1913, 2, p. 31-4; 2 fig. 2s. 6d. Underground Conveying. S. Mavor. “ Colliery Guard.,” vol. 105, 2735, p. 1113 ; 2736, p. 1221; 2737, p. 1291; 13 fig. (Abst. of paper read before S. Wales Inst. Engin.; not concluded). Is. 6d. XIII. —Lighting. Approved Safety Lamps. “ Colliery Guard.,” vol. 105, 2735, p. 1129 ; 2 figs. (The “ Ceag ” lamp.) 6d. XIV. —Ventilation. Wire Netting Brattice. (Versatz-Drahtgeflecht.) “ Gliickauf,” 1913, 5, p. 183-4. . 2s. 6d. Consumption of Compressed Air in the Separate Venti- lation of Staple Shafts and Cost of Same. (Spotreba stlaceneho vzduchu pro separatni vetrani strid a jeho cena.) “ Hor. hut. list,” vol. 14, 1, p. 4-5 ; 7 fig. Alternating-current Motors for Economic Operation of Mine Fans. F. B. Crosby. “ Coal and Coke Op.,” May 1,1913, p. 3 ; ill. (Abstr. of paper read before Am. Inst. El. Engin.) 2s. 3d. Connellsville Region Mine Ventilation. A. King. “ Coal Coke Op.,” April 7, p. 281. (Paper read before Am. Iron and Steel Inst.) Is. 3d. The Measurement of Air in Mines. H. Louis. “ Colliery Guard.,” vol. 105, 2738, p. 1330 ; 3 fig. (Lecture before Northumberland and Durham Association of Colliery Undermanagers.) 6d. The Effect of Temperature in Mines in Great Britain. J. Cadman. “ Colliery Guard.,” vol. 105, 2737, p. 1286. (Abst. paper read before N. Staffs. Inst. Min. Meeh. Engin.) 6d. XV.—Mine Gases, Testing. Ignition of Coal Gases and Methane by the Electric Arc. (Die Ziindbarkeit des Kohlengases und des Methans durch den elektrischen Lichtbogen.) “ El. Maschbau,” 49, p. 1032 ; 2 fig. Pit Gas. (Das Grubengas.) J. Recktenwald. “ Z. Sauerstoff Ind.,” 11, p. 217-20. On the Kinetic Theory of Gases. Sir Henry Cunyng- hame. “ Colliery Guard.,” vol. 105, 2735, p. 1129; 2 figs, (continuation). 6d. XVI.—Coaldust. Stonedust for Preventing Coaldust Explosions, and the Application of the Measure in English Collieries. (Die Bekaempfung der Kohlenstaubexplosion durch Gesteinstaub und die Durchfuehrung dieses Ver- fahrens im englischen Steinkohlenbergbau.) F. Friedensburg. “ Gliickauf,” 1913, 5, p. 157-61; 6, p. 201-9. (Author reports on the English and French experiments with stonedust for preventing coaldust explosions, and the advantages and defects of the method.) 5s. Uoaldust Explosions in Mining. (Kohlenstaub- explosionenimBergbau.) K. J. Czaplinski. “Montan. Ztg.,” 1913, p. 144. (Abstract of lecture.) 2s. 6d. Development of Coaldust Explosions. “ Colliery Guard.” vol. 105, 2738, p. 1327; 7 fig. (Fourth Report of Explosions in Mines Committee.) 6d. A Record of the Origin of the Principle of Stonedusting for the Prevention of Colliery Explosions. W. E. Garforth. “ Colliery Guard.,” vol. 105, 2736, p. 1214. (Abst. paper read before Inst. Min. Engin.) 6d. XVI [.—Explosions. The Cadeby Main Colliery Explosion. R. A. S. Redmayne. “ Colliery Guard.,” vol. 105,2735, p. 1118. (Appendices.) 6d. XVIII.—Mine Fires. The Slow Combustion of Coaldust and its Thermal Value. F. E. E. Lamplough and A. M. Hill. “ Colliery Guard.” vol. 105, 2736, p. 1214. (Abst. paper read before Inst. Min. Engin.) 6d. XIX.—Rescue and Ambulance. The New Westphalia Rescue Apparatus. (Der neue Westfalial-Rettungsapparat, Modelll912.) Breyhan. “Gliickauf,” 1913, 8, p. 273-8 ; 8fig. 2s. 6d. Rescue Work in Mines. (Ueber die Grubenrettungs- wesen. Breyhan. “ Techn. MH.,” 12, p. 364-72; 6 ill. The Pulmotor in Mine Rescue Work. H. E. Bertling. “jCanad. Min. JI.,” May 1,1913, p. 276. (Abstract of paper read before Canad. Min. Inst.) An Accident with Breathing Apparatus. (Ein Unfall mit Atmungsgeraeten.) Forstmann. “ Gliickauf;” April 6, p. 517; ill. 2s. 6d. Rescue Work in Mining. (Das Rettungswesen im Bergbau.) G. Ryba. “ Z. Zentr. Berg. Betrbsl. Oest.,” p. 185; ill. Rescue Apparatus and its Use in Mining. (Rettungs- apparate und ihre Verwendung im Bergbau.) Heinrich. “ Techn. BL,” 1913, p. 121; ill. (First part of abstract of an address before the meeting of the Pfalz Saarbruecker Distr. Asso. of German Engineers.) Resuscitation from Electric Shock, &c. G. A. Lauffer. 12mo. Chapman. 1913. Mine Rescue Van for South Staffordshire. “ Colliery Guard.,” vol. 105, 2737, p. 1279; 2 fig. 6d. The Reopening of Norton Colliery with Self-contained Breathing Apparatus after an Explosion. J. R. L. Allott. “ Colliery Guard.,” vol. 105, 2736, p. 1214. (Abst. paper read before Inst. Min. Engin.) 6d. XXII.—Briquettes. On the Question of Electric versus Steam Drive of Briquette Presses. E. Reutlinger. “ Braunkohle,” vol. 11, 42, p. 672-4. 2s. Advantages of Electric Drive for Briquette Presses. (Vorteile des elektrischen Antriebes von Briquett- pressen.) O. Pollok. “Braunkohle,” vol. 11, 42, p. 671-2. 2s. Utilisation of Steam in Briquette Works. (Dampfaus- nutzung in Brikettfabriken.) A. Eckardt. “ Braun- kohle,” 1913, 49, p. 787-90. 2s. Rhenish Lignite Briquettes and their Employment for Domestic and Industrial Heating. (Das Rheinische Braunkohlenbrikett und seine Verwendung in haues- lichen, gewerblichen und industriellen Feuerungen.) W. Oellerich. “ Braunkohle,” 11, 41, p. 649-55, 4 fig.; 42, p. 665-71, 8 fig.; 44, p. 701-12, 6 fig.; 46, p. 733-40, 12 fig. ; 47, p. 750-55, 7 fig. 12s. Extinguishing Agents in the Detection and Extinction of Smouldering Fires in Lignite Briquette-making. (Flammenschutzmittel beim Aufsuchen und Abloe- schen glimmenden Feuers in Braunkohlenbrikett- fabriken.) G. Klein. “Braunkohle,” 1913, 11, 44, p. 697-701; 4 fig. 2s. Briquetting Coal with Naphthalene. (Steinkohlen- brikettierung mit Naphthalin.) “ Kohle Erz.,” 1913, 9, p. 223. 2s. 6d. XXIII.—Coke Ovens. The Coking of Coal with the Addition of Limestone. (Die Verkokung von Steinkohle unter Steinkohlen- zusatz.) O. Simmersbach. “ Berg- Huttenmann. Rdsch.,” 1913, p. 155. The By-products of Coal. (Die Nebenprodukte der Kohle.) “Montan. Ztg.,” April, p. 126. 2s. 6d. The Mechanical Handling of Coke Ovens. G. F. Zimmer. “ Cassier’s Mag.,” vol. 43, 5, p. 470-80; 17 ill. Is. Use of Cold Coke-oven Gas in Steel Production. O. Simmersbach. “ Iron Age,” vol. 91, 17, p. 1014-5; 3 fig.; 3 tab. 2s. Recent Researches on the Hardness of Coke. O. Simmersbach. (Neuere Untersuchungen ueber die Haerte des Koks.) “ Gliickauf,” 1913, 9, p. 315-23. 2s. 6d. On the Recovery of Ammonium Sulphate with the Aid of the Sulphur Contained in Coke Oven Gases. (Ueber die Gewinnung von Ammoniumsulf at mit Hilfe des in den Kokereigasen enthaltenen Schwefels.) J. Reichel. “Gliickauf,” 1913, p. 568; ill; p. 616; ill. 2s. 6d. XXIV.—Fuels, Testing, &c. Influence of Flame Temperature in the Valuation of Fuels. (Ueber den Einfluss der Flammentemperatur bei der Bewertung der Brennstoffe.) A. Gwiggner. “ Stahl Eisen,” 1913, 10, p. 385-94. 2s. 9d. The Examination and Valuation of Fuels and the Question of Guaranteed Heating Value. (Zur Unter- suchung und Bewertung der Brennstoffe und der Frage der Heizwertgewaehr.) A. Zschimmer. “ Z. Bayr. Rev. Ver.,” vol. 17, 5, p. 44-5. Distilling Lignite from the Ludwigshoffnung Pit, Woelfersheim, in a Current of Steam at Different Temperatures. (Destination von Braunkohle aus der Grube Ludwigshoffnung bei Woelfersheim im Wasser- dampfstrom bei verschiedenen Temperaturen.) Diss, 8vo., 75 pp. Giessen. Proximate Coal Analysis and its Value in Power Plant Economy. A. R. Maujer. “ Coal Coke Op.,” April 17, p. 293. (Paper read before Nat. Ass. Sta. Eng.) Is. 3d. The Advantages of Oil over Coal. “ U. Serv. Gaz.,” 4184, p. 219-20. The Determination of Water in Coal. P. L. Teed. “ Colliery Guard.,” vol. 105, 2735, p. 1115; 6 fig. (Abst. paper read before Inst. Min. Met.) 6d. 1 Specific Heat of Coal and Its Relation to the Presence of Combined Water in the Coal Substance. Porter and Taylor. “ JI. Ind. Engin. Chem.,” vol. 5, 4, p. 289-93; 4 tab. Coals Available for the Manufacture of Illuminating Gas. A. H. White and P. Barker. Revised by H. M. Wilson. 8vo, 77 p. (Dep. of the Interior Bureau of Mines, Bull. 6. Washington Gov. Print. Office.) Tests of Coal and Briquettes as Fuel for House-heating Boilers. D. T. Randall. (Repr. of U.S. Geol. Survey Bull. 366.) Washing Gov. Print. Office (Department of the Interior Bureau of Mines, Bull. 27.) Accuracy and Limitations of Coal Analysis. A. C. Fieldner. “ JI. Ind. Engin. Chem.,” vol. 5,4, p. 270-82; 9 tab. XXV.—Steam Engines and Boilers. The Adamson-Davies Tubular Extension for Boilers. “ Colliery Guard.” vol. 105, 2735, p. 1119; 1 fig. 6d. Steam Raising in Tar Distilleries and Chemical Works. “ Colliery Guard.,” vol. 105, 2736, p. 1223 ; 1 fig. 6d. The C O2 Thermoscope. “ Colliery Guard.,” vol. 105, 2736, p. 1223; 1 fig. 6d. XXVI.—Compressed Air. Testing a Piston-compressor Plant at the Dahlbusch Pit. (Untersuchung einer Kohlenkompressoranlage auf Zeche Dahlbusch.) “ Gliickauf,” 1913, 5, p. 170-2; 10 fig. 2s. 6d. XXVII.—Electricity. Electricity in Mining. Brothers Siemens. 4to. C. Griffin. 1913. The Application of Electricity in Pits. (Die Anwen- dungern der Elektrizitaet in Grubenbetrieben.) W. Heym. 8vo, 76 p. Halle a/S.: Lehmann. • Defective Tube Insulation as the Cause of an Accident. (Mangelhafte Rohrisolation als Ursache einer Betriebsstoerung.) H. Winkelmann. “ Stein Braun- kohle,” 1913, 5, p. 66-8. 2s. 6d. Electricity in the Service of Safety in Mine Working. (Die Elektrizitaet im Dienste der Sicherheit des Grubenbetriebes.) W. Philippi. “ Techn. Rdsch.,” 1913, 4, p. 45-6; 2 fig.; 4 ill. (Signalling and Blasting.) Central Station Power for Coal Mines. 0. W. Beers. “ Coal Age,” vol. 3,17, p. 641-4. Is. 3d. Purchased Power in Coal Mines. H. C. Eddy and C. W. Beers. “ El. Rev. (Chic.),” vol. 62, 17, p. 847-51; 1 tab. (The advantages of central power plant supply.) Electricity* as Applied to Mining from a Practical Standpoint. J. M. Hopwood. “El. Rev. (Chic.), vol. 62, 18, p. 897-9. Characteristics of Sub-station Loads at Anthracite Mines. H. M. Warren and A. S. Biesecker. “ Coal Coke Op.,” 1913, p. 305, ill. (Abst. of paper read before Am. Inst. El. Eng.) Is. 3d. The “ Mego-meter ” Insulation Testing Set. “ Colliery Guard.,’’vol. 105, 2736, p. 1222; 1 fig. 6d. ‘ Standardisation of Electrical Machinery. “ Colliery Guard.,” vol. 105, 2735, p. 1126. (Rules adopted by British El. and Allied Manufacturers Associa- tion.) 6d. Insulated and Bare Copper and Aluminium Cables for the Transmission of Electrical Energy, with special reference to mining work. B. Welbourn. “ Colliery Guard.,” vol. 105, 2737, p. 11290 ; 5 fig. (Abst. paper read before Inst. Min. Engin.) 6d. XXVIII.—Surface Transport. Recent Improvements in Plant for Loading Coal and Coke. (Paper read before the fifty-third annual meeting of German Gas and Water Experts, Munich, 1912.) Neuere Fortschriftte auf dem Gebiete der mechanischen Kohlen und Koksverladung.) J. Kroschel. “ JI. Gasbeleuchtg.,” vol. 56, 1913, 2, p. 25-30 ; 5 fig., 9 ill.; 3, p. 53-8; 3 fig., 1 ill. Pneumatic Conveyors for Coal. (Pneumatische Foer- deranlagen fuer Kohle.) G. Schroeder. “ Braunkohle,” vol. 11, 43, p. 684-6. 2s. Recent Coal Hauling Plants. (Neuzeitliche Kohlen- forderanlagen.) G. W. Koehler. “ Ann. Gew. Bauwes.,” vol. 71, 12, p. 218-23, 8 fig.; 72, 1, p. 8-13, 10 fig.; 4, p. 65-8, 6 fig. New Mechanical Installations for Shunting Trucks. (Ueber neue maschinelle Wagenrangieranlagen.) M. Freyberg. “ Kali,” 1913, 4. p. 93-100 ; 15 fig. Working Anthracite Culm Piles. “ Colliery Eng.,” vol. 33, 10, p. 569-71; 4 fig. (The employment of hydraulic methods in connection with special forms of conveyor lines.) Bay ton Colliery, Cleobury Mortimer, Shropshire, Aerial Ropeway. R. White. “ Engineering,” vol. 95, 2472, p. 672; 7 ill. Is. XXIX. —Sanitation, Diseases, &c. Purification of Mining Effluents. (Reinigung von Zechenabwassern.) P. Lagemann. “ Bergbau,” 1913, 8, p. 138-9; 9, p. 153-4. 4s. Purification of Pit Water. (Reinigung von Zechenab- wassern.) “ Bergbau,” 1913, 8, p. 138-9. 2s. Hookworm Disease at Southern Mines. J. W. Pryor. “ Colliery Eng.,” vol. 33, 10, p. 558-60; 4 fig. Nystagmus among British Miners. Dr. J. Court. “ Coal and Coke Op.,” April 10, p. 261. (Abs. of paper read before Oxford Ophthalmological Congress.) Is. 3d. Miners’ Nystagmus. T. L. Llewellyn. “ Colliery Guard.,” vol. 105, 2736, p. 1215. 6d. XXX. —Mining Laws, Royalties. The Recent Alteration of the Prussian Mining Law. (Die juengste Abaenderung des preussischen Berg- gesetzes.) Thielmann. “ Braunkohle,” 1913, 47, p. 749. 2s. Draft General Regulations. “ Colliery Guard.,” vol. 105, 2738, p. 1344. (Proceedings before Referee.) 6d.