1262 THE COLLIERY GUARDIAN. June 18, 1915. Wrought Iron and Steel Tubes. SPECIAL JOINT. These Tubes are specially suitable for mines, being both light and strong. The Joint, as illustrated, can be easily connected, and a tube can be removed without disturbing the run. Fittings of ail kinds supplied. Improved Albion Loose Flange Joint. STEWARTS and LLOYDS LTD., PIT PROPS. We manufacture Tubular Steel Pit Props, which are exceptionally strong and durable. They can be used repeatedly and have a high factor of safety. Lists sent on application. GLASGO’W-41, Oswald Street. BIRMIN GUAM—Broad Street Chambers. LONDON-Winchester House, Old Broad Street. We have Specialised in this class of Machinery, and have designed and made more than all other firms combined. References to users are invited. Established 50 Years. LTD BRIDGEND, BREAKING SIZING AND WASHING PLANT ^anthracite coal" NEWTON, CHAMBERS * & Co. Ltd., THORNCLIFFE IRONWORKS , near SHEFFIELD. ESTABLISHED 1793. Telegrams—“NEWTON, SHEFFIELD.” Telephone—No. 2200 (Two Lines).____ MANUFACTURERS OF - '■ PIPES & FITTINGS For Gas, Water & Steam. STRUCTURAL STEELWORK Girders, Roofs, Bridges. TANKS In Iron or Steel. H1GH=CLASS CASTINGS For Machinery and Engine Cylinders. WHEELS BAR WEIGHTS PUMPS