734 [supplement PAGE XIV.] THE COLLIERY GUARDIAN. October 4, 1918. H. & R. Waterfall & Barber, Prometheus Works, SHEFFIELD. MANUFACTURERS OF CO A L CUTTER PICKS TRADE MARK. NIAGARA. K*«'mERFAU.& BARBER Sheffield, HIGH SPEED STEEL and TWIST DRILLS. STEEL and FILES. “ MAGIC.” TRADE MARK JOHN WOOD & SONS, LTD Engineers & Mining Machinery Specialists, BARLEY BROOK FOUNDRY, WIGAN. Telegrams “HAULAGE, WIGAN.” Telephones (two lines) “55 WIGAN.” HAULAGE GEARS of EVERY TYPE PULLEYS, HEAVY GEARING, BEARINGS, CLUTCHES, &c.