788 THE COLLIERY GUARDIAN. April 18, 1913. BRAKES AND CLUTCHES ARE1’BEST WHEN LINED WITH lA/nfin crea^es sParks, smokes, burns, and is thus a constant danger for everybody. Wood wears quickly and you nUUll cannot depend on its brake power, because oil, water, grease, or any other liquid affects its co-efficient of friction noticeably. In most cases you have to use reverse steam. MET*I creates sparks and gives a very spasmodic brake action. Spoils your brake path and gives an unreliable IVIEa I Hh brake-power. - fabric is absolutely spark-proof, it doubles your brake-power, no need to use reverse steam. It lasts many times longer than wood or metal. Ferodo fabric is cheaper in the end. Your men have confidence in your brake, wind f aster and you get more coal every hour of the day. Eerodo fabrics engage sweetly, they save ropes and machinery. They give instant power and keep the drum path always smooth and unworn. WHICH IS BEST ? We will gladly send samples, illustrated list and copies of testimonials to any inquirer. POST BRAKE THE HERBERT FROOD GO. LTD Sovereign Mills, Chapel-en-le-Frith. 39/41, UPPER RATHBONE PLACE, LONDON. NO MORE PIT CAGE ACCIDENTS! Ascending and Descending Cages Safeguarded, No Interference with Winding. Starting in the Wrong Direction Prevented. .’j ■ ’3 Safety assured with ‘THE VISOR.’ The most Effective Machine on the Market. Over 200 at work. JOHN WOOD & SONS Ltd., Telephone : 55 Wigan. Engineers, WIGAN. Telegrams: “Haulage, Wigan.”