50 The Colliery Guardian and Journal of the Coal and Iron Trades, July 2, 1915. CONTENTS OF VOLUME CIX. _______ __ Editorial. PAGE Accidents in 1914: Highly Satisfactory Figures .....................................'.... 234 Aniline Dyes, The Manufacture of....... 181 Barnsley Prosecution, The............... 81 ‘f Ca* Canny” Buttons for “Patriots”... 391 Charters, New........................... 131 Chesterton Fire, The ................... 549 Coal Dust Investigations, American __......1227 Coal Tar Products, The Chemist and..... 498 Coal Trade in 1914, The ................. 27 Coal Trade and National industries, The 969 Consuls, A Syllabus for .................1023 Correction, A ........................... 866 Costs at the Face, The Eeduction in __..... 497 Dominions and the Imperial institute, The 445 Drink and Work_______...........................1125 Employment and Overtime ................... Enlistment of Miners, The............. Examinations, The Board for Mining ... Explosions, Experimental ______.......... Exports in 1914, Coal................... Export Restrictions, The............... Gas for Town Supply, Coke Oven ...... Glasses, Miners* Lamp................. Increment Value Duty on Minerals ..... Indicators, Visual .................... “ Kultur,” An Experiment in .......... Labour Paradise, A ......................... Labour Leader, A Great................... Labour Unrest: A Remedy ............ ............. Law, Dangerandthe................... Munition, Coal a...................... Organising the Coal Mines............ 657 446 233 657 131 1023 917 761 603 445 549 337 657 1175 1023 1333 1227 Organisation of Industry, The........... 709 Pollution, Collieries and River.......... 813 Practical Man of the Future, The .......1125 Price of Coal, The................... 391, 813 Prices, Retail Coal....................... 761 Prices and Profits, Maximum ...........1281 Rescue Schemes ........................ 497 Science and Industry ________................. 285 “ Scraps of Paper ** ..................... 446 Signalling in Collieries, Electric .....603, 865 Sulphate of Ammonia and the National Food Supply........................ 82 Suspend the Act........................ 233 Trade and International Standardisation 1175 Wages Agreements, The............... 285 Wages, Prices and Work............... 603 Wages in the Federated Area .......... 918 Wages and Exports _____'................ 969 War Bonus, The............................. 865 War Bonus and Prices, The ............1075 War, The United States and the........ 27 War, Patents and the ................. 762 W ar, Mining Education and the........ 337 West Yorkshire Trouble, The __....... 181 ______ Articles, &c. Accidents and Labour in 1913, Mining ... 87 Accidents, Colliery, 194, 286, 495, 556, 1237, 1339 Accidents in Mines During 1914, Fatal... 229 Atmospheric Electricity in Underground Workings, The Influence of .........1326 Baths, An American Report on Pit Head... 650 Baths at a French Colliery, Pithead ..... 188 Belgian Refugees and Mining .......... 46 Blastfurnace Slag for Railway Ballasting 651 Book Notices, 41, 91, 196, 608, 663, 715, 776, 924, 978, 1029, 1071, 1137 Boring and Drilling on Oil Fields .......1234 Boys at Mines, Employment of ......... 399 Briquette Manufacture ................ 699 Briquetting, Recent Developments in Coal, 1165 Briquette Problem, Russians............ 925 Canada—and its Conservation Problem, Coal Waste in ..................... 961 Catalogues and Price Lists Received, 44, 95, 198, 405, 460, 512, 617, 674, 724,828,984,1190, 1244, 1350 Coal and Coke Coastwise and Foreign During 1913 and 1914, Shipments of ... 141 Coal and Coke Exported from Ports in England, Scotland and Wales, 142, 348, 562, 825, 1036, 1240 Coal, Coke and Manufactured Fuel from the United Kingdom, Exports of, 94, 347, 561, 826, 1035, 1239 Coal and Coke Shipped for London and other Ports in the United Kingdom, 142, 348, 562, 825, 1036, 1240 Coal-Cutting Machinery in 1913 ......... 231 Coal-Cutter, The Sullivan .............. 437 Coal Dust Explosions .................. 593 Coal Dust Investigations, American.....1222 Coal-Shipping Plant at Port Talbot .....1271 Coal-Handling Plant at Camden Town...1029 Coal-Handling Plant, Automatic......... 702 Coaling at Holy head..............:____ 88 Coal Mines Act in 1913, Working of the, 126,189 Coal Trade of 1914, The................15, 78 Coal Trade Benevolent Association: The New Chairman..................... 806 Coedely Colliery,Coppee Plant at ....... 121 Coke.Oven Practice, Gleanings in ....... 544 Conciliation Boards in the Coal Trade, with Special Reference to Scotland, The Working of ....................1233 PAGE Cordeau Detonant, The ..........._______1118 Costs at the Coal Face, The Reduction of Working ____________........................ 439 Cro wds Nest District, Folded and Faulted Zones in the........................1120 “ Dexine ” and Some of its Uses......... 442 Dodd*s Patent Tub Axle”Greaser ....... 652 Drills and Drill Bits....................1116 Durham Colliery, The Transformation of a 1065 Education of the Colliery.Manager, The ... 397 Education, Mining..................... 861 Education in 1913-14, Mining............ 123 Education, Some Remarks on Mining ... 329 Electricity Applied to Mining 435, 490, 540, 596 Electricity in Mines .................... 124 Employment, The State of.............. 179 Examination in Coal Mining, Board of Education__________....................... 703 Examinations, Mine Managers* .....128,1170 Explosions, The Nature of.............. 441 Explosives in Coal Mines .......335, 441, 862 Exports, The Prohibition of Coal ....... 978 Ferro-concrete Segments of Z Section, Lining Shafts with ........................... 595 Firedamp: Its Detection and Estimation 544 Fire Engines for Colliery Fire and Rescue Stations in Durham and Northumber- land, New Petrol Motor ............ 125 Fire Extincteur,The “ Simplex** Chemical 767 Formation of Coal Seams, The................ 76 France, The Mobilisation of Working Miners in .........................1167 French Coal Trade in 1914, The .........1028 Fuse System, The “Fluvent”...........- 35 Gas-testing Rod, Telescopic .................... 35 Gearing for Haulage Engines, Helical ...'.. 650 German and Austrian Coal *and Iron Trades, The, 37, 78, 137, 189, 230, 282, 335, 398, 443, 505, 546, 600, 652, 706, 758, 810, 862, 914,967,1020,1081,1120,1172,1224,1278,1330 Haulage on the Trent and Mersey Canal, Electrical ......................... 489 Hillcrest Disaster, The ______............. 37 Hull Coal Trade, The .................. 140 Hydraulic Goaf Packing....................... 962 Hydraulic Packing Plant, Settling Tanks for ..................,• _____________1067 Hydraulic Stowing, Modern Developments in ............. .............................. 859 Imperial College, The New Chemical Laboratory of the____.................1068 Injured Hands and Fingers ............ 399 Iron and Steel in 1914, Exports and Imports of......................... 137 Japan, Report on the Explosion at the Hojo Colliery ..................907, 964 Jeffrey Wagon Loaders, The............ 809 Kep Gear at a Midland Colliery ......... 963 Kent Coalfield, Fauna and Stratigraphy of the...........................1275, 1327 Kitchener*s Appeal to the Miners, Lord ... 608 Lamps, Approved Safety .......178, 910, 1071 Lamp, Best*s Improved Flame Safety ... 596 Lamp Rooms, The Design and Equipment of Colliery Electric.....................223, 281 Lamps, Electric v. Oil Safety ........... 280 Locomotive for the Nottinghamshire and South Yorkshire Coal Traffic, A New Type of Powerful .................. 699 Locomotive for Nova Scotia, Powerful E i ght-Coupled...................... 34 Locomotives for South Wales Railways, ..... Powerful Mineral .................. 277 Locomotive, A Special Type of Colliery ...1069 Locomotives, Storage BaUery ...........1117 L.C.C. and its Coal......................1329 Manchester and Neighbourhood, Drift Deposits of ........................ 857 “ Marshall ** Drop Valve Engine, The... 24 Mexico, Coalmining in ......................871, 923 Monthly List of Recent Coal Literature, 244, 456, 668, 928, 1136, 1343 Obituary, 44, 77, 142, 240, 295, 334, 400, 505, 550, 611, 655, 707, 767, 824, 878, 912, 967, 1024, 1078, 1119,1186, 1240, 1294,1346 Organisation Committee, Report of the Coal Mining .......................1217 Output and Value of Fuel in 1913 ........ 90 Output of Minerals under the Coal Mines Acts During 1914....................1072 Oxidation of Coal, A Study of the ....... 73 Oxygen by Coal, The Absorption of ..... 228 Panama Coal, Handling Coal at the ..... 34 Panama Exposition, Mining Exhibits at thel325 Patent Rights, The Acquisition of Enemy, 46, 98, 146, 198, 248, 300, 354, 408, 460, 512, 562, 724, 776, 828, 882, 934, 980, 1038, 1088, 1142. 1190,1242, 1350 Pharmacist, Coal and its Relation to the... 451 Pollution in Colliery Districts, River...752, 820 Power Costs........................... 226 Prices and Profits, Coal ................1225 Prices, Retail Coal____..............1273, 1328 Prices, Retail Coal: Report of the Depart- mental Committee.................. 749 Problems of the Future, Mining......... 276 Pulverised Coal, The Use of.........___1115 Pumping Plant at a South African Mine, Centrifugal .............................. 327 Pumps on the Rand, Centrifugal......... 701 Railways and Canals in 1913, Coal Traffic on 195 page Rand. Underground Transport Methods on the ............... ____;_________1^15 Rand, The Use of Compressed Air on the... 1066 Relief, Miners* ................................H67 Rescue and Ambulance Work in 1913 ... 127 Rescue Apparatus, An Auxiliary and Outfit for Attachment to Self-Contained ......1277 Rescue, “Vivator” Oxygen Reviving Apparatus.........................1287 Rescue Appliances, Regulators for........... 975 Rescue Brigade System v. The System of Non-Resident Brigades ............__ Rescue Scheme, An American ........... Rescue Station at Denton, New __........ Rescue Station at Edinburgh, Central Mine________________________;______ Rescue Work in Mines : First Aid Certifi- cates....................____....______1068 Rescue Work, Schemes of Training and Practice in......................... 493... Sampling, Notes on __...................1168 San dwell Park Colliery, A New Pit-banking Arrangement at ____....................... Scott Air-compressor, The __............ Seaham Colliery, Electrification of the... Shipments Coastwise During November 1914,43; December, 296; January, 560; February, 653; March, 925; April, 1139 ; May, 1360 Signal Indicators ...................... Signals, Winding Engine ....................... Signals, Linneker and Adams*.Mechanical Bell-cancelling Gear for Visible ...... Signalling in Mines, Electric: Important Home Office Experiments ........... Signalling System, The “ Kingsway ** ... “ Sirocco ** Air Washer, The............ South Wales Coal Field, The Geology of the.........................279, 331, 613 South Wales Coal Field, The: Part III. 703, 753, 873 Spitzbergen, The Coal Fields of, 1013,1069,1119 Splint, A Broken Back............... 41 Steam Plants, Thermal Efficiency of Miningl018 Stoking, Mechanical... ............. 275, 330 Stone Dust Grinding Plant at Cadeby ... ... Main Colliery ..................... 647 Stone Dust Grinding Plant, A New Type of 858 Sulphate of Ammonia______..................__ Sulphate of Ammonia, Quality of ....... Supporting the Roof in Coal Mines, Some Notes on........................... Supports in Mines, The Use of Wooden Butts for Steel.............................. Team By-product Coke Co. Limited, The Ovens and Recovery Plant of the..... Timbering in Mines ____________................. Tin-plate Rolling Mill Practice, How to Improve Welsh .................... Training of Mining Engineers, The ..... ......... United States Coal Trade in 1914....... United States, Foreign Coal Trade of the United States, Coke Production in the... Venezuela, The Naricual Coal Mines_____ Wagons for the Burma Mines Railway, Narrow-gauge High-capacity.........1118 War Bonus. The....................... 974 War Upon Collieries, The Effect of the ...1237 War, Trade and the, 23, 89, 138, 193,-239, 291, 338. 388, 452. 495, 547, 612, 654, 715, 757, 811, 863', 915, 966, 1021, 1083, 1123, 1173, 1235, 1279, 1331 Wash, The Limits of Mining Under the ... Wharncliffe Silkstone Colliery Prosecution, The ____.......................... Wharncliffe Silkstone Colliery, Some Notes on the Explosion at _____:____............... Winding Ropes, The Lateral Friction of Winding Drums of Practice and of Theory, ....... The ..........................._____: Winding at a Durham Colliery, Electric ... Winding Methods at the Lake Superior Iron Mines.............................. Winding and Overspeeding in Shafts, The Prevention of Over- .. ____......... Winding in South Africa, Electric....... ... Wood, The Preservation of.............. ......... Workmen* s Compensation Act, Some Recent Decisions Under the ...........1132 .1276 .614 545 487 380 649 175 860 385 451 855 33 34 648 129 PAGE North Staffordshire Institute of Mining and Mechanical Engineers ... 228, 441, 599, 1166 South Staffordshire and Warwickshire Institute of Mining Engineer s, 33,76,403,912 South Wales Institute of Engineers ... 277, 818 , ______ 539 399 957 127 818 387 190 79 196 25 187 41 503 384 .1323 . 751 36 805 806 43 _____ Supplements. Almanac for 1915, Colliery Guardian ... Jan. 1 Coedely Colliery, Coppee Plant at.....Jan. 15 Colliery Guardian Coalfields Map..... Jan. 1 _____ Meetings. Coal Trade Benevolent Association .....1031 Institution of Mining Engineers.....1080, 1268 Manchester Geological and Mining Society 127, 332, 609, 857, 1031. 1221 Midland Counties Institution of Engi- neers ............................. 860 Midland Institute of Mining, Civil and' Mechanical Engineers ..........224, 494 Mining Institute of Scotland ...386, 821, 1276 North'of England Institute of Mining and Mechanical Engineers.......397, 818, 1324 Current Science and Technology. Accidents from Electricity....................... 334 Air Compressor, Test of the Largest ..... 88 American Coalfields, The Life of the..... 88 Analysis of Coal with Phenol as a Solvent 88 Ash in Coke ............................1072 Benzine Substitutes for Safety Lamps... 706 Benzol from Coke Ovens................1172 Benzol from Coke Oven Gas, Effect of Removal of ........................ Briquettes, Binders for ............................ ............................ Briquetting Process, Fohr-Kleinschmidt... Briquettes of Washery Sludge and Coke Breeze . Campine Coalfield, The ................ Canada, Coalfields of Central ..... Carbon-Monoxide, The Cumulative Effect of ........................................................ Carbon-Monoxide on Different Men, The Effect of............................ Carbon-Monoxide and its Physiological Action, Determination of ........... Chlorides in Coal ....................................... Clay, Lateral Pressure of ............... Clinkering of Bituminous Coals ........I Coal-Cutting Machinery, The Use of... Coke, Neutral ...................:______'___ Coke Ovens, Blastfurnace Gas for Heating, 1172 Coke Ovens, Effect of Salt in........ Coke from Washed Coal .............. Coking Problems, S.ome ............. Coking Process, Theory of the ....... Collier, An Electrically-Driven...... Composition and Qualities of Coal... De-tarring Gas by Electricity ...... Dredging for Coal .................. Drier, A Continuous Centrifugal..... Drills, Steel for Rock .............. Drills, Testing Hammer............. Dust, The Explosibility of Anthracite Dust Explosions...................... Dust Explosion Galleries, Small Coal ... Dyestuffs, Coal Tar and ... __....... Engine Design, Similarity in ....... Explosives, The Analysis of Mining ... _ Explosions, Measurement of Flame Veloci- ties in Gas and Dust............... Flame in Gases, The Propagation of. French Alps, The Coal Basin of the . Gard, The Coal Basin of the........ Gas, Synthetic........:............ Gas Calorimetry, Industrial........ Gas Testing, Standard Methods of....... ____ Gas, The Utilisation of Coke Oven and Blast-furnace _____....................1172 Gases, The Origin of Mine............... 587 Gasoline from Petroleum, Production of... 1122 Glasses from America, Safety Lamp __.... 966 Glasses, Formulas for Miners* Lamp..... 966 Glasses, Miners* Safety Lamp .......706, 758 Heading Machine, New Type of ......... Hooks, Bending Stresses in ___............ Ice Region, Coal in the.................. India, Coalfields of...................... Kent Coalfields, The............................... .............................. Lamp Batteries, Charging Rack for Electric Lamps in Spanish Coal Mines, Electric Safety. Lightning and Surges, Protective Devices Against ................................ Load Factors and Power Factors ......... Nitrogen in Coal, Yield of ...............' ............................ Oils for Electric Switches and Trans- formers ...............................1122 Oils, The “ Cracking ” of Heavy......... 600 Origin of Coal Seams, The............... 88 Power, The Generation v. the Purchase of 966 Power, Utilisation of Water..........,...1020 Prop Remover, A Pit....................1020 Prop, Rutenborn Telescopic Pit ................ 442 Pumps, Characteristic Curves for Centri- fugal............................... Rand, Power Supply on the ............. ............. Rhodesia, The Coal Resources of South ... Ropes Research. Wire _______................. Sampling Coal for Analysis ............. Sand Filling, The Value of ............. Shot-firing from the Surface, Electric... Signalling in the Cage.................. Smoke in Colliery Disasters, The Effects of 654 ~ ™ ~ “ .179 . 388 1330 . 230 . 230 . 546 . 388 .1072 600 442 810 862 654 914 758 706 88 600 230 1330 . 179 .1278 . 546 . 442 23C .1225 . 283 . 914 . 546 . 600 1122 1278 .1330 . 388 . 129 .1278 . 442 . 546 . 129 . 283 . 654 1122 1122 . 546 129 129 283 546 706 862 810 758 179 . 914 . 966 .1020 1330 .1278 654 334 810 . 88 120 1122 Smoke, The Prevention of..... ............... Steam, Thermal Properties of ... Storing Coal under Water....... Stress Distribution in Materials Subsidence and Draw ........... Sulphur in Foundry Coke ....... Swaziland Coalfield, The....... Tar as Fuel, The Use of ......._______________ .................... Tar, The Fractional Collection of Crude ...1225 Timbering, H-Beams for Mine.... Turbo-Compressors ............... U.S. Bureau of Mines ........... Utilisation of Coal, Economic .... ....... i Valuation of Lenticular Coal Beds 966 442 914 600 862