1316 [supplement PAGE II. I THE COLLIERY GUARDIAN. December 20, 1918. “SIMPLE! CIRCULATOR” FOR EFFICIENCY AND ECONOMY. 1O%to15% MORE STEAM OR LANCASHIRE BOILER FITTED WITH CIRCULATOR. For further particulars apply to: THE LONDON SIMPLE! ENGINEERING C“ L" Bolton House, Cullum Street, Fenchurch Street, E.C- 3. Telephone—AVENUE 872. LABORATORY-20, CULLUM STREET, E C. 3. Telephone—CENTRAL 11029. Telegrams—“ LONPLET, FEN, LONDON.” si THOS OXLEY |]" ___:____:__ Iron, Steel & Machinery Merchants, Shiloh Works, SHEFFIELD BUYERS OF SCRAP IRON, STEEL, METALS AND OBSOLETE PLANTS. A CONTINUAL STOCK OF SECOND-HAND MACHINERY THOROUGHLY OVERHAULED. -LIGHT AND HEAVY SECTION RAILS.— Telegrams—“IRONICAL, SHEFFIELD.’’ Telephone - 4630 (6 Lines). RHONDDA PATENT COAL WASHERS. HAULAGE GEARS. COAL BREAKING. SIZING and SCREENING. Rhondda Engineering & Mining Co. Ltd., * Sheppard & Sons Ltd., Elevators, Conveyors, Tipplers, Creepers, &c., &c. BRIDGEND, Glam.