180 THE COLLIERY GUARDIAN July 26, 1918. CONTENTS. Editorial Articles :— Page University Degrees in Commerce ............ 181 Output and Price of Coal................... 182 Articles :— The Britannia Colliery, Pengam, Mon........ 173 Co-Partnership ............................ 175 Low-Temperature Carbonisation ........... 176 Mining Employment Statistics .............. 177 Census of Private Owners’ Railway Wagons .. 177 Mechanical Mining without Explosives ...... 178 The American Coal Trade ................... 178 South Wales Mining Timber Trade ........... 179 Mining Industry and Military Service ...... 179 Coastwise Shipments in June................ 185 Obituary ................................ 185 New Maximum Prices for French Coals ....... 186 Mean Magnetic Declination.................. 187 Labour and Wages .......................... 188 The Freight Market ........................ 190 Abstracts of Patent Specifications Recently Acptd. 190 New Patents Connected with the Coal and Iron Trades .................................. 192 Government Publications.................... 192 Publications Received ..................... 192 Open Contracts ............................ 192 Catalogues and Price Lists Received........ 192 Reports of Meetings:— Coal Conciliation Board ................... 182 The Coal and Iron Trades ...................182 —185 The Tin-plate Trade........................ 182 The London Coal Trade ..................... 185 The By-Products Trade‘ ...........7........ 185 Current Science and Technology ................. 179 Parliamentary Intelligence...................... 179 Notes from the Coal Fields...................... 186 Monthly List of Recent Coal Literaturr.......... 188 Coal, Iron and Engineering Companies............ 190 Miscellanea:— Action Concerning Subsidence and Flooding . 175 Miners* War Wages—Miners* Permanent Officials —Raw Material Priority—Purchase of Tar by Distillers ................................ 179 Conference of Local Authorities............ 182 School of Mining, Birmingham .............. 184 Procedure for Obtaining Steel—Canal Barge Propulsion .............................. 185 The Entombed Miners ....................... 192 Offices for ADVERTISEMENTS and PUBLICATION: 30 and 31, Furnival Street, Holborn, London, E.C. 4. Telegraphic Address—“Colliery Guardian, Fleet, London/* Telephone—1354 Holborn. CONTRACT ADVERTISEMENTS : Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS:— Single Column (3 inches wide) : For 52 insertions 3s. 9d. nAr „ 26 „ 4s. 6d. ( Per ,, 13 ,, '5s. 3d. 3 insertion for e&ch inch in depth. Double Column. (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. SUBSCRIPTIONS. The Colliery Guardian, published at 2.30 p.m. on Friday, can be supplied direct from the Publishing Offices, post free for twelve months, at the following rates :— United Kingdom ......... 28/6 (26/- in advance). Canada ................. 30/6 (27/6 do. ). Foreign and Colonial ... 33/- (30/- do. ). When foreign subscriptions are sent by Money Orders, payable through the Post Office, advice should be sent to the Publishers. Established 1866. PATENTS, DESIGNS, and TRADE MARKS. TT ARRIS AND MILLS, -CL Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. 1. Telegraphic Address—" Privilege, London.” Tel. No.—Holborn 2763. ARE YOU GETTING THE BEST OUT OF YOUR COAL ? A “Lea’’ V. notch Recorder, by continuously measuring your Boiler Feed Water, would tell you and so help you to —= PREVENT WASTE, s— THE LEA RECORDER CO. LTD., Deansgate, MANCHESTER. TO COLLIERY MANAGERS. Are you troubled with Water in yOUP Mines ? The patentee of a simple device will supply particulars by arrangement, and give demonstration of his invention, which he claims will supersede all hand pumps and consequently effect enormous saving. SIMPLE, PRACTICAL, RELIABLE. Once fixed no further worry. Particulars on application to patentee— F. BROWN-KING, Sea View Cottage, Sheriff Hill, Gateshead-on-Tyne. Bridge’s Patent Friction Clutches & Hauling" Installations A SPECIALITY _____SEE ADVERTISEMENT LAST ISSUE, PAGE 155, Sole Makers— DAVID BRIDGE & CO. LTD. Haulage Works, CASTLETON, Manchester. ASSOCIATION OF PRIVATE OWNERS OF RAILWAY ROLLING STOCK. Forwied! in 1891 for the Protection of the Rights and Interests of Private Owners. Applications for particulars and terms of membership may be sent to the SECRETARY, Clarence Chambers, Gloucester. The Oldest Diamond Drill Company. Established 1872. p ORING for AflNERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” THE AQUEOUS WORKS and DIAMOND ROCK-B3RING Co. LTD Guildford St., York Road, Lambeth, London, S.E. Besides numerous other Important Contracts, completed (in 1897) the Deepest Boring in the United Kingdom to 3,500 ft. Great Experience in Boring for WATER. The U.M.S. LESSONS BY POST. The beat Mining Education. Unapproachable Successes. 52 H.M. Inspectors are U.M.S. Men. — Syllabus free. — THE UNIVERSAL MINING SCHOOL «) 50, Connaught Road, Cardiff. Briquette Machinery Ltd., Charmouth Street, LEEDS. Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. Electrical Machinery See Illustrated Advt. PEEBLES in July 12th issue. BRUCE PEEBLES & Co. Ltd. Engineers. EDINBURGH. YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, For Coal, Coke, Iron and other Ores. YEADON, SON & CO., Engineers, LEEDS, Have a World-wide Reputation, and 40 Years’ Experience. They have supplied MORE BRIQUETTE PLANTS than any other firm in this country. ARMYTAGE & JONES Ltd., SHEAF STREET, SHEFFIELD. RAILS. WAGONS. CRANES. (For all purposes). (Coal & Ballast). (Loco & Derrick). Boiler Tanks. Points and Crossings. Sleepers. Buffer Stops. Buyers of all kinds Steel and Iron Scrap. GUARANTEED MATERIALS. INSULATING VARNISHES. WAGON PAINTS. W. W. HMl, Son & Wallace Ltd., Elton Street, Broughton Bridge, MANCHESTER. ----ESTABLISHED 1840. - AERIAL ROPEWAYS ANY SYSTEM. The British Ropeway Engineering Co. Ltd., 7, MINCING LANE, LONDON, E.C. 3. Tele—CENTRAL 11250. Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. WIGAN AND DISTRICT MINING AND TECHNICAL COLLEGE. A pplications are invited for the post of JZX. MINING LECTURER. Salary according to scale£175—15—£325 (with possible increase to £350). Initial salary may be fixed above the minimum of the scale, according to previous experience. Further particulars may be obtained from the Principal, to whom applications should be forwarded not later than August 12th, 1918. S. C. LAWS, M.A., B.Sc., 23rd July, 1918. Principal. Wanted, by large firm of Constructional Engineers, DRAUGHTSMAN, fully experienced in the design of modern coal washing plant, to take entire charge of department.—Box 7035, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Brattice Cloth. — Gentleman Wanted with influence amongst colliery managers and proprietors, to sell BRATTICE CLOTH on good commission only.—Address, FAIRCLOUGH & SONS, Bank-lane, Clayton, near Manchester. TXT’ anted at once, a thoroughly expe- W rienced and practical ENGINEWRIGHT, West Yorkshire — Apply, stating age, Qualifications, and wages required, Box 7102, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Large firm of Coal Exporters and Factors, having offices at all principal towns and ports, REQUIRE MANAGER to take charge of inland branch office in Yorkshire.—Write, giving full particulars of experience, references, and salary required, to Box 7104, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Colliery Engineer and Draughtsman SEEKS permanent SITUATION; competent with all modern plants, steain, compressed air, or electrical; age 38. Good references.— Box 7108, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. /Colliery Surveyor Wanted for Collieries in Monmouthshire. State age, salary, and experience. THE BARGOED COAL CO. LTD., Cardiff. Wanted, an Under-Manager for a Colliery in the Midlands. Salary £5 5s. per week.—Apply, stating age, experience, and copies of testimonials, to Box 7110, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. General Colliery Manager or Agent, thoroughly practical, first-class cert., mechanical and electric engineer, DESIRES CHANGE. Experienced up-to-date sinking; design, erection and working of modern plant; coking and washing; cutting, haulage and pumping. Commercial experience over 16 years; excellent connection, gas, house, steam and shipping. Successful results and highest credentials.—Box 7111, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. /Colliery Manager, 37, Desires Change. J First-class practical experience ; electrical and compressed air coal cutting, conveyors, pumping and haulage. Had charge of sinking, and accustomed to deal with large bodies of men and heavy outputs.—Box 7115, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. THE UNIVERSITY OF SHEFFIELD. MINING DEPARTMENT. The Matriculation Examination for the Degree in Mining will be held on Monday, September 9th, 1918. For information apply to the REGISTRAR before Saturday, August 24th, 1918. The Mining Diploma (Day) Course commences on Wednesday, October 2nd, 1918, and the Part Week Mining Course on Thursday, October 3rd, 1918. The Certificate (Saturday Afternoon) Course commences on Septem- ber 21st, 1918; and the Mining Teachers’ Course on September 28th, 1918. The Courses in Electricity Applied to Mining commence on Saturday, September 21st, 1918. W. M. GIBBONS, Registrar. SOUTH WALES AND MONMOUTHSHIRE SCHOOL OF MINES. TREFOREST, GLAMORGAN. Session 1918-19 commences on Monday, 7th October, 1918. Courses of Full Time Instruction in— (1) Mining izngineering, (2) Mechanical and Electrical Engineering, (3) Chemical Engineering, in any one of which students may be apprenticed without premium to one of the thirty colliery companies connected with the School. For particulars of admission, Fees, Courses, Scholarships and Apprenticeships, apply to the Principal, Professor G. KNOX. UNIVERSITY OF BIRMINGHAM. SCHOOL OF MINING. Professor: Sir JOHN CADMAN, K.C.M.G., D.Sc., F.G.S. L&Xrm“cMi^ogy"gand} J- L- JEFFERY. A.R.S.M., M.Inst.M.M. L Siting :C°al Mining and} W- HULSE, B.So. L Re”C“e } A- H- CLARK, B.Sc. THE SESSION COMMENCES ON OCTOBER 1st, 1918. The School of Mining meets the require- ments of those who intend to become Practising and Consultative Mining Engineers; Petroleum Technologists; Colliery Managers; Managers of Metal Mines; Teachers of Mining; Mine Surveyors; Land and Estate Agents; Land Owners; Owners of Collieries; and those generally interested in Mines and Quarries. The Degree Course includes instruction in Mathematics, Physics, Chemistry, Geology and Mineralogy, Mechanical Engineering, Electrical Engineering, Civil Engineering, Mining (Coal, Petroleum and Metal), and Metallurgy, Assaying, and Petroleum Refining. In connexion with the Mining Classes there will be frequent visits of inspection to mines in the neighbourhood of Birmingham, and a SUMMER MINING SCHOOL will also be held in the long vacation in some mining district, either at home or abroad. The Mining Courses are so arranged as to provide for— Degree Course ............. ... 3 years. Diploma Course ................. 3 years. Occasional Mining Students ..... A complete course in 1 year. A complete Course of PETROLEUM MINING ENGINEERING is given in the University. The course of study extends over three years, and leads to the Degree of B.Sc. Full particulars may be obtained from the SBCRETART of the University. OLD COLLIERY SITES. Wanted to Purchase Old Colliery Sites for planting, or otherwise improving. Address in confidence Box 7114, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Quarries and Royalties of Umbers, Ochres, Lime, Barytes, Iron, Dolomite, Tin, Cement, Wolfram Tungsten WANTED immediately.—Apply, Box 7113, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. T7or Sale, about 8 Acres of Plantation, 1 ’ lying close to Sheffield, and suitable for Colliery Pit Props; also two good Second-hand CONTRACTORS’HUTS. Apply- M._J._DEVILLE& CO., Millhouses, Sheffield. Tele. 234 Beauchief.