1004 THE COLLIERY GUARDIAN. November 15, 1918. IflS MINTS ^CROSSINGS, ""““m^railWHY & TURNTABLES. TfLfG “fM/LS W/DNES" T PHONES 25^27 THE gg ELECTRICAL WORKS 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. Write for Circular giving full particulars, to THE CLAY CROSS CO. LTD., Near CHESTERFIELD. Ships Bunkers, HAMMERS WEDGES, PICKS, FORGINGS, &c., ------♦ for ♦- COLLIERIES, QUARRIES & WORKS. Manufactured by The PROVIDENT Steel & Tool Co. LIMITED, Brown Street, SHEFFIELD. PATENT Approved by Home Office for Use in Mines. Features chadwbll^^S All-Steel Body. No Projections. Light in Weight and Comfortable to Carry. FOR Mines, Collieries, Gas Works, Sewers, Magazines, Munition Works, Docks, Aircraft Depots, etc CONTRACTORS TO ADMIRALTY AND :: WAR OFFICE :: Electric Safety Lamp Fitted with the Fuller Patent Block Accumulator—no Plates to Buckle. Gives a Brilliant and Sustained Light of High Fitted with Con- cealed Magnetic Lock and Positive Switch. with a large margin of Useful Lighting Capacity. Manufactured by rill I mo WOODLAND WORKS, rULLtKb, CHADWELL HEATH, Established 1865. ESSEX. Telegrams—“ FULLERS, CHADWELL HEATH." Telephone -ILFORD 173 (3 lines). LINES WATER, STEAM, OIL, AIR, GAS, HYDRAULIC. CONTRACTS COMPLETED THROUGHOUT UNITED KINGDOM. J. W. HOUSTON & GO., mhtick cross, GLASGOW.