April 19, .1918. THE COLLIERY GUARDIAN. 779 ' INCREASE YOUR OUTPUT. ‘ WINDING & HAULING ENGINES up to the largest sizes. STEAM and ELECTRICALLY DRIVEN. WE CAN GIVE YOU THE BEST SERVICE AT THE LOWEST COST. NO LEAKAGE OF ACID. BRITISH PRODUCTIONS ENTIRELY. ACCUMULATORS for all purposes. Firemen’s Emergency Pocket Lamp. Size 5. in. by 4 in. Telegrams— “ PELECTLYTO, BOCHURCH, LONDON.” Telephone — 119 STRATFORD. Miners’ Electric Lamp. Weight 4} lb. —— • -- liiii if ''''*** ■i;P: Pearson’s Electric Miners’ Lamp C? L? Victoria Works, Marshgate Lane, Stratford, LONDON, E. 15. Worsley Mesnes Ironworks Id., WIGAN. AIR-COMPRESSING ENGINES AND PUMPS. BREAKDOWN REPAIRS A SPECIALITY. Telegrams—“ ENGINES. WIGAN.” Telephone—No 46 WIGAN. FERRO-CONCRETE LINING YEARS of STUDY and EXPERIENCE HAVE DROUGHT MY SYSTEM OF CEMENTATION TO PERFECTION. TO COLLIERY PROPRIETORS. Shafts sunk, tunnels driven, and other mining constructions carried out in difficult and very wet ground by the best method. Success guar- anteed. 19 shafts in Great Britain sunk with cementation. Ferro-Concrete Lining a speciality. Feeders of water in shafts or levels effectually treated. ALBERT FRANCOIS, Telegrams—“ Francois, Doncaster.’ White House Chambers, DONCASTER. Telephone—408 Doncaster, Partners: Albert J. Francois (Belgian); Thomas Blandford. BALDER BRO^^B^OMPSON L— ■*RJP^ELECTRICAl7^| '"S MEASURING 6 RECORDING IKS1 INSTRUMENTS FOR MINES 97a Dalston Lane A. A. TATTERS ALL &. Co., Makers, Blackburn On War, Admiralty, and Crown Agents’ List. Estab. 1893. May we quote you ? We make VITRIFIED Corundum wheels for cutter and internal grinding, and SEMI-VITRIFIED Abrasive wheels up to 48 in. dia. for general work. Also Machines. HAMMERED CAST IRON Premier Works, PISTON RINGS Don Road, SHEFFIELD (by the Davy-Robertson Process). All gizea from 21 in. to 72 in. In our Special Piston Ring Iron. THE STANDARD PISTON RING & ENGINEERING CO. LTD, QUICK DELIVERY. UW PRICES. ’SST -oSSlSKa.- I HERBERT G. RICHARDSON X Magnet Works, WALSALL. ;: **5- ■ WATER TUBE TYPE. Simplicity of design with maximum efficiency. WOLVERHAMPTON, Eng. OF ALL TYPES. THE “ CROWN ” ROTARY GEARED PUMP FOR OIL OR WATER AND SUDS. Useful in Collieries, Pumping Sta- tions, Railroad Shops, and also on Machine Tools. Supplied with | in., | in. or A in. Gas Suction and delivery. Capacity 120 gallons at 320 revolutions. THE CROWN ENGINEERING Co., 123-7 Sheen Rd., Richmond. Surrey. “CROWN” COVERINGS for Boilers, Piping, Superheaters, &c. 96 SAVING in Radiation, Greatest Economy, Longest Service. i. i ■.•••I • 'if ’ < - ■ 1 • Vaft' i i Cannot be impaired, however intense the heat. Our TELLURIC CEMENT, unequalled for general purposes. Sole Makers: SUTCLIFFE BROS., Union Works, GODLEY, nr. Manchester.