April 13, 1917. THE COLLIERY GUARDIAN. 711 HEAD, WRIGHTSON & GO. LTD. Thornaby & Stockton-on-Tees. London Office—5, Victoria Street. Westminster, S.W. o o o o o <■ w 2 CARRIED OUT TO THE DESIGNS OF Tl L JIGGII ............. HYDRAULIC COAL SHIPPER < TUB CREI ■ Wi* ? fL.O SCRggNING PLANT EIEAC CAGES WITHTILTING FLOORS / JOIST HEADGEAR “ MARCUS COMBINED SCREEN & PICKING CONVEYOR DIRECT ACTING STEAM HOIST FOR WAGONS Was i ■ RS 5®r. AT BROMLEY CAKRltO , BEFM *1 te. 4,Wt« 4ii /LATTICE HEADGEAR ia TO.'__■ AunwM_ ■■ >g Blast Furnace Plant Bunkers (Steel) Bridges Crushing Plant Coal Shippers Castings Coal Washers Chairs Coke Screens Colliery Plant Cages Cage Props Conveyors Caissons Detaching Hooks Drop Forgings Dock Cates Elevators =v= Friction Clutches Forgings Gantries Grinding Pans Headgears Hoists Mining Plant Marcus Screens Nota nos Washers Nissen Stamp Mills Pit Tubbing Pulleys and Pulley Blocks Rollers Roofs Stampings Steel Wagons Steel Chimneys Screens Storage Bunkers Shippers Tub Creepers Tipplers Tanks Wagons Wagon Hoists