272 THE COLLIERY GUARDIAN. February 7, 1913 Confidently Recommended A Trial will convince Pamphlet on Manufacture and Use of Electric Fuses post free on application. Uniformity and Quality Guaranteed. Tested at every stage of manufacture. Head Office: Cannon Street House, LONDON, E.C, Agencies in ail Colliery Districts. NO MORE PIT CAGE ACCIDENTS I Ascending and Descending Gages Safeguarded. No Interference with Winding. Starting in the Wrong Direction Prevented. Safety assured with THE VISOR.’ The most Effective Machine on the Market. 160 at work. JOHN WOOD & SONS Ltd. Telephone . 55 Wigan. Engineers, WIGAN 'Telegrams : “ Haulage Wigan.”