April 24, 1914. THE COLLIERY GUARDIAN, 931 OXYGEN. THE BRITISH OXYGEN CO. LTD., The oldest and most extensive Oxygen producing and distributing business in the World. Factories in all Industrial Centres equipped exclusively with modern liquid air plants producing Oxygen of unrivalled purity, the only residual being a trace of Nitrogen, as sanctioned and recommended by the Homo Office Order of May 4th, 1912, for use with RESCUE APPARATUS. ADDRESSES OF THE COMPANY’S WORKS : LONDON..... Elverton Street, Westminster, S.W. ,, .... Tunnel Avenue, East Greenwich, S.E. BIRMINGHAM Saltlby Works. CARDIFF ... East Moors. MANCHESTER Great Marlborough Street. SHEFFIELD Celtic Works, Savile Street. NEWCASTLE- ON-TYNE... Walker Gate. GLASGOW ... Rosehill Works, Polmadie. We make a Speciality of HEYWOOD & BRIDGE’S PATENT FRICTION CLUTCHES and HAULING INSTALLATIONS. (Electrical and Mechanical, Vertical and Horizontal.) Send for Catalogue-Free. GEORGE BURNSIDE, Burnside’s Safety Borinc Apparatus. Used most successfully in tapping old Mine Workings. Apply for Catalogue. Boring Tool Works, Shiney Row, Fencehouses, Also Eye Guards fob Pit Ponies. CO. DURHAM. Patentees & Sole Makers, DAVID BRIDGE * SO. LD., Haulage Works, CASTLETON, MANCHESTER. JUNCTION BOXES F<,pc’* os For underground use. Strong, substantial Cast Iron Boxes with best Brass Fittings, at very moderate cost. Write for further particulars to— *T. Crawford &> Sons Ltd., Bonner’s Field Engine Works, SUNDERLAND. The Colliery Ready Reckoner and Wages CALCULATOR. By JAMES IRELAND. “Will be the means of preventing many disputes between pay clerks and colliers.”—Mining fsurnal. Colliery Guardian Office, 30 & 81, Furnival-street, Holborn, London, E.C. Cloth limp, price Is. 6d.; post free, Is. 7d. THE Shipping World Year Book For 1914. TWENTY-EIGHTH YEARLY EDITION, CONTAINING 1,900 PACES. Edited by MAJOR EVAN R. JONES. PORT DIRECTORY OF THE WORLD. This section occupies 600 pages of the Year Book, and gives particulars of Every Port and Harbour in the British Isles, verified by the Authorities—Pilotage, Towage, Officials, Charges. &c. The Foreign Portsun-e specially revised by the British Consuls and the respective FOREIGN AND COLONIAL TARIFFS. The Foreign and Colonial Tariffs, occupying about 1,000 pages. are corrected up to the latest possible date; and Exporters and Importers may obtain from this section, in a few minutes, information which would otherwise necessitate extensive correspondence with Consulates and Government Offices. DIGEST OF SHIPPING ACTS. The Digest of British Shipping Acts, from 1894 to 1913, forms a valuable feature of the book, especially to Shipowners, and includes the new Pilotage Act of 1913 and the National Insurance Act, as it affects Shipowners, Seamen and Firemen, and Shipyard Workers. MAP OF THE WORLD. The Shipping World Year Book Map of the World, specially designed by J. G. Bartholomew, Esq., F.R.G.S., F.R.S.E., and con- tained in a pocket in the cover, shows the Routes of Steamers and Railways, important Ports and Coaling Stations, and also has many Inset Maps of ports, harbours, waterways, &c., including a new one of the Panama Canal and the Canal Zone. SOME OF THE OTHER CONTENTS OF THE YEAR BOOK. Board of Trade Regulations (latest)—Chambers of Commerce and Shipping—Coaling Stations—Collision Regulations (International- Customs Boarding Stations—Discharge and Engagement of Crews— Documents required for Clearing Vessels—Dock, Wharf and Qua? Loading Regulations—Fastest Merchant Ships—Great Britain’s Trade with the World—Life Boats and Life-saving Appliances—Lloyd’s Signal Stations—Load-Line Tables—Masters’ and Mates’ Certificates —Seamen’s Wages and Certificates—Shipping Subsidies—Sight Tests (latest regulations)—Suez Canal and its Regulations—Submarine Bells—World’s Output of Tonnage (1913). CAMBRIAN LAMP fitted with Magnetic Lock, Electric Ignition and Patent Automatic Lock on Bonnet. Crown 8vo Cloth. Price Post Free: United Kingdom,, io/- net; Foreign Countries, II/- “SHIPPING WORLD” Offices, Effingham House, Arundel Street, Strand, London, W.C. E. THOMAS & WILLIAMS Limited. Telephone—No 7 P.O. Estd. i860. Tel. Address—“ Lamps, Aberdare.” OUR IMPROVED MINER’S SAFETY LAMP. The Strongest, most perfect and up-to-date Lamp in the Market. The lighting arrangement is sasy and certain in its operation. Our Magnetic Lock is absolutely unpickable, having stood the test of many years' use at the largest Collieries in the country. Our method of re-lighting underground by means of Bowie’s Patent Self Contained Re-lighter is proved to be safe and effective. Complete Installation of Lamps and Accessories on the Hire system. Lamp Rooms fitted on approved modern lines. Makers of the Cunningham-Cadman Gas Detecting Device. CATALOGUES AND ESTIMATES FREE. Cambrian Lamp Works, Aberdare, S. Wales. ■EVER S PATENT ATTACHMENT ® TO PREVENT I ORMEROD’S IMPROVED PATENT SAFETY LINKS For the effectual preven- tion of Accidents from Overwinding. THE BEST AND MOST RELIABLE SAFETY DETACHING HOOK YET INVENTED. Advantages and full particulars on application. Sizes up to 10 Tons working load in Stock or Progress. DIPLOMAS OF HONOUR AWARDED TORONTO, LONDON & OTTAWA, CANADA, August, September and October, 1898. OVERWINDING, EXCESSIVE SPEED, OR STARTING IN WRONG DIRECTION. ABSOLUTE AUTOMATIC CONTROL DURING FULL PERIOD OF WIND. CAN BE FITTED TO ANY ENGINE. PATENTEE Sf SOLE MANEFACT FREE— EDWARD ORMEROD, Atherton, nr. Manchester- BEYER, DOREING & CO. M Makers of all kinds of COLLIERY PLANT. Telegrams—“ Foundry, Bradford.” Bowling Ironworks, BRADFORD. Telephone—1644 Bradford. AGENTS— - Northumberland & Durham—Mr. W. E. COWENS, Scottish Union Bldgs., 90, Pilgrim St., NEWCASTLE-ON-TYNE. South Yorkshire, Derbyshire & Nottinghamshire— Mr. E. L. ROUSSETT, Calow Close, Old Brampton nr. CHESTERFIELD. South Wales—Mr. D. LLEWELLIN EVANS, 120, Bute Street, CARDIFF.