360 [supplement page VIII.] THE COLLIERY GUARDIAN. August 16, 1918. H. & R. Waterfall & Barber, Prometheus Works, SHEFFIELD. MANUFACTURERS OF COAL CUTTER PICKS. TRADE MARK TRADE MARK. NIAGARA. MAGIC.” H & R WATER FAIL Sr BARBER SHEFFIELD. K uJ UJ X 5 as Or u> w x r cc * a: CM aa i 03 u d ar ui £D ar a co a “ d NIAGARA : MAGIC HIGH SPEED STEEL and TWIST DRILLS. ■ STEEL and FILES. JOHN WOOD & SONS, LT° ENGINEERS, BARLEY BROOK FOUNDRY, WIGAN. Telegrams “ HAULAGE, WIGAN.” Telephones (two lines) “ 55 WIGAN.” N Specialists in MINING MACHINERY. MAKERS OF ALL TYPES OF PULLEYS. _ _