June 18, 1915. THE COLLIERY GUARDIAN. 1299 Colliery Crab. V <3 Ball Bearing Swivel. Hydraulic Jack. Wire Rope Crab. Duplex Punching Bear. Bottle Traversing Jack. Weston Block. Rail Lifter. Ask for List No. 28. ------------------- YOUNGS, RYLAND STREET WORKS, BIRMINGHAM. Overhead Runner. 12 RAISE, 5 H.0WER .STEADILY. 'raise^B jSTOP/^ 9\ Cba WINDING SIGNALS “ NON-CUMULATIVE.” DAVIS’S Self-Contained SOLENOID BELL with DIAL INDICATOR. Patent No. 7638. and Patents Nos. 7241 and 17607 applied for. Simple, Efficient, Inexpensive. SEND FOR LIST 41 V. JOHN DAVIS & SON (DERBY) LTD., All Saints Works, DERBY; and 17 Victoria St., Westminster, London, S.W Phone—240 Derby. Telegrams—“ Davis, Derby.” Steel Underframe Railway Car- riages, Tram ars, and Wagons of every description for Hir and Sale by Immediate or Deferrod Pay- ments. Ironwork, Wheels and Axles. WAGONS. Also Wagons with Oak Underframes Makers of HYDRAULIC PRESSED BOSS and other WHEELS and AXLES. PRESSED STEEH. BOGIES. Wagons for Hire, capable of carrying Six, Eight and Ten Tons, part of which are con- structed specially for Shipping pur- poses. Wagons in Working Order maintained by Contract. SECOND-HAND BALLAST WAGONS FIT FOR MAIN LINE TRAFFIC. Sole Manufacturers of Dean & Churchward’s “ E1THERSIDE BRAKE,” and Marillier’s Patent “ INSTANTER COUPLING.” The Birmingham Railvaray Carriage & Wagon Co. Ltd., WORKS : SMETHWICK, BIRMINGHAM. ANNALS OF COALMINING & THE COAL TRADE. BY ROBERT L. CALLOWAY. Price as«. net. The Colliery Guardian Co. Ltd., 30 & 31, Furnival-st., Holborn, London, E.C. Founded 1899. WATER AND WATER ENGINEERING. Price 6d. monthly. Annual Subscription, 7s. 6d. post free (payable in advance). Offices—30 & 31, Furnival Street, Holborn, London, E.C. YES, but! Careful shaftmen use Holdemrites. A Derbyshire Mining Engineer says, ‘‘Send us another dozen of your Safety Belts (HOLDEMRITES, 21b. weight, 2.0C0 to 6,0001b. strength, and £10 per doz.) for our men soon got the knack of using the others. We must ALSO have 2 pairs of your Safety Clips (HOLDEMWELLS. 15s. per pair) for headgear men.” A Yorkshire Enginewright says, ‘‘Send our agent one of your Holdem- rites for inspection. I think more of my character and position than to allow shaftmen to be without such a useful thing.” A Leicestershire Engineer (after repeating orders) says, “ Our men liked the last lot, and they now see that they have neither right nor business to be in the shaft without having a Holdemrite with them, to use as jobs require, and I can now trust their common sense.” I suggest your shaftmen have sense enough to use these real Safety Belts. Any number of Holdemrites are sent for inspection or on approval. ’Tis well to have half a dozen on hand at each shaft pio so that men can have the OPPORTUNITY of using them as occasion requires. Occasional usage leads to regular usage. They last as long as 7 years, soon save their cost, and hold men right when they need holding right. A. MAN LEY, 21, Alpha Road, Bristol. GERMAN MADE GOODS. We invite Buyers of goods, formerly procured from the Continent, not now obtainable, to favour us with particulars of their requirements. We have completed arrangements under which we can give early delivery, and would be glad to quote competitive prices. ROWLAND G. FOOT & CO., 11, Queen Victoria St., LONDON, E.C. PATENT CHECKS AND BRASS IREflSER ' OVER 1,400 PAIRS SOLD. j NEW PfltENT N92090l,l913. | wf?/r£pox Moros, ro SQWMiiMnl AUTOMATIC I EVANS £> DODD k I CANNOCK. £3' PER PAIR. SUTCLIFFE’S Patent Universal CONVEYOR For Underground or Surface. SIMPLE, EFFICIENT UNIQUE -- Illustrated in next Issue. - RICHARD SUTCLIFFE, Universal Conveyor Works, HORBURY, WAKEFIELD ROBURITE No. 3. HELD BEST RECORD for SAFETY for 120 YEARS. ROBURITE IIs 4 Is now BEST & SAFEST on the N'ew Permitted List. NEGRO POWDER No. 2 & DREADNOUGHT POWDER Also on New Permitted List. ROBURITE and AMMONAL LTD., GATHURST, near WIGAN. LONDON OFFICE:—103, CANNON STREET, LONDON, E.C. Telegraphic Addresses: “Roburite, Cannon, London.” “ Roburite, Gathurst.” Telephone Nos.: 141 Bank. 9 Upholland.