832 [supplement page vtti.j THE COLLIERY GUARDIAN. October 18, 1918. Wrought 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 all kinds supplied. Iron and Steel Tubes. Improved Albion Loose Flange Joint, 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. STEWARTS and LLOYDS LTD., GLASGOW-41, Oswald Street. BIRMINGHAM—Broad Street Chambers. LONDON—Winchester House, Old Broad St., E.C. 2. Telephone—4560 (two lines). Telegrams—“Belting, Sheffield.” RENTON HOLDSWORTH & GO. LTD., Belting anti Rubber Manufacturers, Offices: NORFOLK STREET. SHEFFIELD. Works : SYCAMORE STREET. DRIVING BELTS ALLOY STEELS. HIGH-CLASS CRUCIBLE STEEL. BRIGHT-DRAWN REELED and BLACK ROLLED BARS. W. W I .. j L JU THE SHEFFIELD MERCANTILE STEEL CO. Ltd. NAPIER STREET, SHEFFIELD. t , u 1 NAPIER STREET-1114 & 1115. Telephone Nos. < t agency dept., 63, Norfolk st.-2031. LOADON OFFICE: 20, WESTMINSTER PALACE CARDENS, VICTORIA STREET, LONDON S.W. 1. Telephone No.—3605 VICTORIA.