892 THE COLLIERY GUARDIAN. May 11, 1917. HEAD, WRIGHTSON & CO. LTD. Thornaby & Stockton-on-Tees. London Office—5, Victoria Street, Westminster, S.W. THRI ;CK CAGE Eftl BAND CONVEYOR ^SCREENING PLANT STRUCTURE MARCUS COMBIHSB SCREEN A PICKING CONVEYOR C.l.TANKS. 'SHI GANTRY & " A;,-MARCUS ROPE HAULAGE Ml* D 3,' -Wl »<.-• al .... . ■ ~ NOTA -NOS’COAL WASHER INSTALLATION I'M’., SI Cl.® < r :f? SI «■' HYDRAULIC COAL SHIPPER MMWS. 'J. i St. ’H LATTICE HEADGEAR “ HHtMKt LO EL.___■■■»,__l-IS_,_L— Blast Furnace Plant Colliery Plant Friction Clutches Nissen Stamp Mills Screens Bunkers (Steel) Cages Forgings Pit Tubbing Storage Bunkers Bridges Cage Props Gantries Pulleys and Pulley Shippers Tub Creepers Crushing Plant Coal Shippers Conveyors Caissons Grinding Pans Headgears Blocks Rollers Castings Detaching Hooks Hoists Roofs Tipplers Coal Washers Drop Forgings Mining Plant Stampings Tanks Chairs Dock Cates Marcus Screens Steel Wagons Wagons Coke Screens Elevators Hota nos Washers Steel Chimneys Wagon Holsts