November 22, 1918. THE COLLIERY GUARDIAN. 1071 ' 7 SHEFFIELD. 'PHONE: No., 830 & 833 (three lines). TELECRAMS: “STABILITY,SHEFFIELD” MUNITIONS. IRON, STEEL, BURNT METAL? TURNINGS, AND ANY OBSOLETE PLANT. STRONG’S PATENT MINE SIGNALLING APPARATUS. NON-CUMULATIVE, AUDIBLE, VISIBLE, and ILLUMINATED SIGNAL. Entirely fulfils the requirements of the Coal Mines Regulation Act. Simple in action, absolutely reliable and fool-proof. Registers “ Men ” and “ Right-away ” Signals on one Dial. THE BEST INDICATOR ON THE MARKET. SPECIAL Self-contained MACHINE for CORRECT GRINDING of STONEDUST For FIERY WORKINGS. BRICKMAKING MACHINERY Suitable for COLLIERY SHALES. Richard Scholefield, Engineer, Leeds. ’Phone 1513. ENQUIRIES SOLICITED. Wire “Brick, Leeds." Write for Circular giving full particulars, to THE CLAY CROSS CO. LTD., Near CHESTERFIELD. PIT RAILS BRIDGE & FLANGE SECTIONS ■ . ^7