394 THE COLLIERY GUARDIAN. August 14, 1914. Telephone—No. 7 Aberdare. Telegraphic Address—“ Lamps, Aberdare.” Awarded Medal at International Exhibition, London, 1884. Newcastle-on-Tyne, 1887. Cardiff, 1888. Edinburgh, 1890. London (Mining), 1890. Sheffield, 1891. Approved (Flame) Safety Lamps To meet the requirements of the new Mines Act. THE CAMBRIAN Fitted with Magnetic, Pneumatic, or Lead Locks, Electric Ignition, and Double Gauzes. Suppliers of the “ CEAQ ” Electric Miners’ Lamps. Stock always kept. “TYNOS” NON CONDUCTING Boiler & Pipe Coverings - . '■ ■ • '■ On Admiralty & War Office Lists. S. T. TAYLOR & SONS, Tel. Add. TYNOS WORKS, scots wood.” Scotswood-on-Tyne. On the Question of “Hot Boxes.” Recently Published. Crown Octavo. THE UPKEEP OF PRIVATE OWNERS’ WAGONS. By E. J. H. L. . THOMAS & WILLIAMS Ltd., CAMBRIAN LAMP WORKS, Aberdare, South Wales. Illustrated by Original Drawings and Photographs. Price 6d. Post free 7d. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival St., Holborn, London, E.C. ft- uQLLIERY .1 BtKIlti • J#” • y Coal Bunkers, Bentley Colliery, Doncaster, for Messrs. Barber, Walker & Co. Capacity, 400 tons. THE YORKSHIRE HENNEBIQUE CONTRACTING Co. Ltd., Viaduct Works, Kirkstall Road, LEEDS. ’ Grams-Ferrot Leeds.” ’Phone—4457 Leeds (two lines). HENNEBIQUE FERROCONCRETE The best construction for all buildings and Engineering work. Used by the Admiralty, War Office, H.MU Office of Works, and the leading Corporations and Companies. MECHANICAL ENGINEERING OF COLLIERIES. Vol. 1„ Price 2is. net. Vol. IL, Price 10s. 6d. net. Supplementary Volume, Price 10s. 6d. net. THE COLLIERY GUARDIAN COMPANY LIMITED, 30 & 31, Furniva.1 Street, Holborn, LONDON, E.C. CONVEYOR SEND FOR PRICES. BELTS of George Angus & Co. Ld., NEWCASTLE-ON-TYNE, ALL DESCRIPTIONS. AND AT London, Liverpool, Birmingham, Manchester, Leeds, Glasgow, and Cardiff.