April 3, 1914. THE COLLIERY GUARDIAN. 721 I THE MONARCH OF ALL I NEW PERMITTED EXPLOSIVES is MONARKITE KYNOCH-ARKLOW LTD., 3», ^.3^ LONDON. OXYGEN. THOMAS SUMMERSON & SONS LTD. 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 Hitrogen, as sanctioned and recommended by the Home Office Order of May 4th, 1912, for use with RESCUE APPARATUS. ADDRESSES OF THE COMPANY’S WORKS : LONDON..... Elvebton 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. ALBERT WORKS, DARLINGTON. Sidings Contracted for Complete. MANUFACTURERS of SWITCHES and CROSSINGS, CHAIRS, SPIKES, FISH PLATES, PLATELAYERS’ TOOLS & CEHERAL CASTINGS. IFISH PLATES & BOLTS for various sections of Rail kept in Stock OPEN BRIDLE. Made also i.n. Box Nose. ■ THE “PONGARD” PONY SHIELD. For PROTECTING the EYES and HEADS of PIT PONIES. Supplied also in the form of hoods for fixing to old bridle. SIZES. Size i for 14 hands. Size o for 12 and 13 hands. Size 00 for 11 hands. TYPES. Type A with 1 in. Chole Band and Bit. Type B with i|in. Chole Band and Bit. Type C with ijin. Chole Band and Strap. Sample Bridle, Box or Open Nose, 11/3 Hood only ... ... ... ... 6/3 Special quotations for quantities. Sole Agents— LEGARD & SON, BARNSLEY and CHESTERFIELD. GUMSTED & CHANDLER Ltd., Cannock Chase Foundry and Engine Works, HEDNESFORD, STAFFS. Telegrams—“ Bags, Hednesford.” Telephone—48 Cannock. FANS AND ENGINES FOR MINE Ventila= tion, with Special Reversing Doors. 1 i O' High Speed Engines FOR LIGHTING and POWER. CentrL fugal Pumps. Haulage Gears, &c. Above illustration shows our Steel Cased Reversing Fan, which is passing a larger volume of air than the 40 feet brick-cased fan alongside it.