904 THE COLLIERY GUARDIAN. April 24, 1914. COHTEHTS. Editorial Articles :— page The New Developments at Holly Bank.......... 905 Coaldust Treatment in Germany............... 905 Articles :— . A Modern German Colliery Plant ............. 891 Co-partnery at Drench Collieries............ 894 Stonedusting in Collieries ................. 894 An Important Undertaking in South Staffordshire 895 A New Safety Clutch......................... 897 Approved Safety Lamps ..................... 897 Report on the Senghenydd Explosion ....... 900 Mining and Other Notes ................... 900 Labour and Wages..............,............. 903 Explosives in Coalmines .................. 907 Output of Minerals Under the Coal Mines Acts During 1913 ............................. 909 Open Contracts.............................. 913 The Freight Market .............'........... 914 Obituary.................................... 916 Abstracts of Patent Specifications Recently Accepted 917 New Patents Connected with the Coal and Iron Trades .................................... 920 Government Publications .................... 920 Publications Received ...................... 920 Catalogues and Price Lists Received......... 920 Continental Mining Notes ..................... 907 Notes from the Coalfields ...................... 909 Indian and Colonial Notes ...................... 912 Coal, Iron and Engineering Companies ........... 914 Monthly List of Recent Coal Literature......... 915 The Coal and Iron Trades.......... 901—903, 906, 907, 913 The By-Products Trade ...................... 907 The London Coal Trade ...................... 909 The Tin-plate Trade ........................ 913 Report of Meeting:— South Staffordshire and Warwickshire Institute of Mining Engineers .......................... 899 Miscellanea :— Hull Coal Exports ......................... 894 Londonos Electricity Supply ............... 916 . Grimsby Coal Exports .................... 909 Immingham Coal Exports ................... 912 ADVERTISEMENTS. Offices for ADVERTISEMENTS aired HJBMCATBOF1— 30 31, Rwmval Street, Holboro, Lo^doo, E.tL Telegraphic Address—“Colliery Guardian, Fleet, London.” Telephone—1354 Holborn. For 52 insertions 2s. 6d. „ 26 „ 3s. Od. > ,, 13 ,, 3s. 6d. ) •CONTRACT ADVERTISEMENTS: Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS Single Column (3 inches wide): per insertion for each inch in depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. MISCELLANEOUS ADVERTISEMENTS : Advertisements are inserted on the last white page or leader page at the following rates:— One insertion ... 10s. Od. per inch per insertion. Three insertions 9s. 6d. „ ,, Six insertions ... 9s. Od. ,, „ A reduction of 25 per cent, is allowed on advertisements •of second-hand machinery. Situations Vacant and Wanted : One Penny per word, minimum 2s. 6d. (which must be prepaid). Can be received up to TEN o’clock on Friday morning. (A Classified Lise appears on page 922.) 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, payable in advance:— For the United Kingdom......... <£110 For Foreign Countries and Colonies £17 6 When foreign subscriptions are sent by Post Office Orders, ■advice should be sent to the Publishers. . Offices for Advertisements and Publication—30 & 31, Fur- nival Street, Holborn, London, E.C. Telegraphic Address—“Colliery Guardian, Fleet, London.” Telephone—1354* Holborn. Established 1866. Patents, Designs and Trade Sharks. Harris and Mills, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. Telegraphic Address—“ Privilege, London.” Tel. No. Holborn 2763. Circular of useful information and prices for British and Foreign Patents post free. ' Chart of 187 Mechanical Motions with description of each, post free 6d. ASSOCIATION OF PRIVATE OWNERS OF RAILWAY ROLLING STOCK. Formed 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. BORING sok j^INERALS. SPEED AND CERTAINTY. CYLINDRICAL (c CORES.” THE AQUEOUS WO^KS AND ROOK-BORiFSQ Co. LTD Cuildford St., York EBoad, U^beth, 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 Cambrian School of Mines, CEMETERY ROAD, PORTH, GLAM. An University Training at Your Own Home. Lessons and Instruction by Post for candidates for FIRST and SECOND Class Mine Managers’ and Mine Surveyors’ Home Office Examinations; Surveying and Electrical Engineering for London City Guild’s Examina- tions; also A.M.E.E. Examinations and Government Inspectors’ Exams. Candidates for the above write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. C.) CAMBRIAN MINING SCHOOL, PORTH, Clam. L8O0WWES Foa? Sale or Hire. ALWAYS IN STOCK. QUICK DESPATCH. THO? W. WARD Ltd., Sheffield. Telegrams—“Forward.” Telephones—4321 (6 lines). The UNIVERSAL MINING SCHOOL (Estab. 1883) is conducted by T. A. SOUTHERN (late H.M.I.M.) and H. W. HALEAUM (Greenwell Medallist), men qualified to prepare you for the highest mining positions. The U.M.S. is the surest road to pro- motion. U.M.S. men obtain and hold nearly all the best positions. For example, 48 of H.M. Inspectors are U.M.S. men. Lessons by post only. Syllabus and advice free. Write to Dept. C.G., THE U.M.S., 50, Connaught Rd., CARDIFF. Briquette Machinery Ltd., 161, Water Lane, LEEDS. Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. HEAD, WRIGHTSON AND CO. LTD., -------- for — COLLIERY PLANT. See Illustrated Page Advertisement in April 10 issue. “CROWH” BOILER COVERINGS encased in STEEL SHEETING. Simple, Cool, Strong, Removable. Cannot be impaired however intense the heat. 96°/o SMYIBG in Radiation. Highest Economy, Longest Service. Nearly 5,000 Users. SUTCLIFFE Bros., Union Works, Godley, nr. Manchester. TO CAPITALISTS. Portland Cement.—A large area of Limestone and Shales capable of yielding highest class of cement ready for development, situated in the Midlands with railway and canal facilities.—For particulars, apply to C. F. NIGHTINGALE, 145, Lich- field-street, Walsall. Wmted, responsible Electrical Engineer, must be capable of supervising designs, estimates and calculations pertaining to high tension transmission and motor work; good technical knowledge essential; agreement for suitable man.—Apply, stating full experience, salary, and date could commence, Box 5637, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. YYTanted for large Colliery, Assistant V v SURVEYOR or IMPROVER: must be accurate surveyor and neat draughtsman.—Apply, Box 5638, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Assistant Surveyor wanted ; must be accurate and painstaking ; able to keep lines properly.—Apply, stating experience and wages required, to Box 5639, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. YYTanted for a Derbyshire Colliery, a V ¥ certified SURVEYOR capable of making accurate surface and underground surveys.—Applicants must state age, experience, and wages required, together with copies of recent testimonials, to Box 5640, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Wanted by an active young man, age 24,10 years in coal trade, position as MANAGING CLERK ; good ledger clerk, neat and careful; highest references.—Apply, “ B.A.C.T.,” Box 5314, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Advertiser seeks berth as Clerk or TRAVELLER; thorough knowledge of trade; 14 years’ experience, age 28 ; excellent references.—Apply, “ B.A.C.T.,” Box 5582, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Experienced Traveller in London Coal trade,requiresnosition as REPRESENTATIVE or MANAGER; practical knowledge of steam and house coal; highest references given.— Apply, “ B.A.C.T.,” Box 5602, Colliery Guardian Office, 30 & 31, Furnival- street, Holborn, London, E.C. Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Trainers, COLLIERIES, Brickworks & Mining Plant. Position required as Coal Traveller; able salesman or retail depot manager: some years’ experience.—Apply, “ B.A.C.T.,’* Box 5416, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. To Pit Cage Makers.—Wanted, Tenders for making Pearson’s Safety Appliance to be attached to cages for preventing accidents.—Particulars from J. BLENCH, Westfield, Wakefield. TO COLLIERY PROPRIETORS AND OTHERS. The Corporation of Birkenhead are pre- pared to receive TENDERS for the supply of WASHED SLACK or WASHED SMALL COAL and SCREENED COAL, to be delivered at the Pumping Stations of the Spring Hill, Flaybrick Hill, Borough-road, Mount-road, and the Ford Waterworks, and the Hind-street Water Stores for a period of 6 or 12 months, commencing on the 1st July, 1914, the period to be at the option of the Corporation. Forms of tender and specification, together with any further information, may be obtained from Mr. J. W. M. Richardson, A.M.Inst.C.E., Water Engineer, 52, Balls-road, Birkenhead. Tenders, statiner the price per ton delivered at the various Pumping Stations and the Water Stores, Hind-street, must be sent in to me sealed and endorsed “ Tender for Coal and Slack, Water Committee,” not later than 10 a.m. on Monday. May 4th, 1914. All deliveries to be made from time to time according to the requirements of the Water Engineer. The parties whose tenders may he accepted will be required to enter into a contract containing a clause as to the payment of the rates of wages and the observance of the hours of labour recognised and agreed upon between the trades unions and the employers in Birkenhead or in the locality in which the work for carrying out the contract is executed, as the case may be. The Corporation do not bind themselves to accept the lowest or any tender. Town Hall. By order. Birkenhead, JAMES FEARNLEY, 22nd April, 1914. Town Clerk. METROPOLITAN BOROUGH OF ST. MARYLEBONE. SUPPLY OF COAL AND COKE. The Council of the Metropolitan Borough of St. Marylebone invites TENDERS for the supply of COAL and BEST GAS COKE for the period commencing 1st July, 1914, and ending 30th June, 1915. Tenders mu-st be made on the printed form, to be obtained, with further particulars, upon application at the Town Hall, Marylebone-lane, Oxford- street, W. Tenders must be sea^d and delivered at the Town Hall, to the under- signed, in envelopes, endorsed “ Tender for Coal and Coke,” not later than 4 p.m. on Monday. 18 ch May next. The Council will not be bound to accept the lowest or any tender. Town Hall, JAMES WILSON, Marylebone-lane, Oxford-street, W., Town Clerk. April, 1914. THORNTON URBAN DISTRICT COUNCIL. Tenders are invited for the supply of COAL, NUTS, and SLACK for the year ending June 30th, 1915, for the various Departments as follows :— < Gasworks, 1,500 tons. Pumping Station, 250 tons. Road Roller. 50 tons. Office Coal, 50 tons. For further particulars apply to the undersigned. Tenders to be endorsed “ Coal,” and addressed to the Chairman of the Council and delivered at the Council Offices, Thornton, not later than May 13th, 1914. . BICHARD BOWMAN, Clerk. or Sale. Pair of 26in. by 60iu. WINDING ENGINES. Pair of 24 in. by 60 in. ., ,. Pair of 12in. by 24in. HAULING ENGINES. Pair of 19 in. bv 16 in. HAULING ENGINES (Self-contained). Pair DUPLEX PUMPS, 14in. steam, 7£in. rams. PERCY" CLARK, King-street, Wigan. YYZanted, one pair of Air Compressors v. v with a capacity of 500 cubic feet of free air per minute, for 801b. air pressnre. steam pressure 100 lb. per square inch.—SWAN WICK COLLIERIES, Alfreton. TYZanted, Second-hand Pan, capacity t V 100,000. to 120,000 cubic feet per minute.—Send full particulars to Box 5633, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Wanted, new or Second-hand pair of WINDING ENGINES, 20in. cylinders, 4ft. stroke, drum' 10 ft. diameter, and 6 fc. wide.—Apply, Box 5641, Colliery Guardian Office, 3O & 31, Furnival-street, Holborn, London, E.C. TYZanted, a Compressed Air-driven Coal v V CUTTER to hole 3 ft. 6 in. under.—Replv, with full particulars, stating price and where it can be inspected, to Box 5642, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. To Let on Simple Hire. 30 10-ton SHIPPING WAGONS.—Apply, Box 5643, Colliery Guardian Office, 30 & 31. Furnival-street, Holborn, London, E.C. THE STANDARD WORK ON Mechanical Engineering of Collieries. JBy rF.