February 23, 1917. THE COLLIERY GUARDIAN 407 JAMES SPENCER LIMITED, , Manchester. Weighing Machinery for Collieries a Speciality. Hand Drilling Machine (Self-feeding). Telegrams : “ Spencer, Hollinwood.” Telephone : 207 Oldham. Dormant Weighing Machine with back frame. MACHINE CUT GEARING. Double Helical Staggered or Chevron. Reducing Gears. Haulage Gears, ne Recorders & Recording Instruments. Watchmen’s Watches. E LEWELLYN MACHINE CO., Bristol. PRATCHITT BROTHERS, Denton Ironworks, CARLISLE. PUMPING, WINDING and HAULING ENGINES. AND This Valve BECAUSE IT’S THE BEAT-ALL-RENEWABLE I Rf-n,w4ble I ; arrt | . v«ives. ■ Parallel Slide Blow-off, WITH “The First’’ Dost and Ash Cuard. Special Metal Valve and Seat. It’s made in the Steam Users' Interest, SEND FOR CATALOGUE, FREE. Est. 1877 Over 2 000 British Steam Users are now using the Baldwin ** BETALL” Valves. JAMES BALDWIN & CO., KEIGHLEY, Engineers and Founders. STOCK OF TUBES January 1st, from | in. to 4 in. Black Gas ...................... 60 miles Red Steam ...................... 40 „ Galvanised Gas ..... 5 0 „ Galvanised Steam ........... 40 ,, TOTAL STOCK 190 miles Send Specification for Prices. Round Wire and Cut Nails. Warehouses : Leeds, and Trafford Park, Manchester. S. DIXON & SON LD., Swinegate, LEEDS. Telegrams—“Brass, Leeds.” Phone—3600 (4 lines). Purchasers' Guide to Advertisers' Specialities—(continued). GAS-TESTING Lamps—hompes grisoum&riquss Ackroyd and Best Ld., Morley, Leeds Davis, John, and Son (Derby) Ld., Derby Protectofr Lamp and Lighting Co, Ld., Eccles Siebe, Gorman and Co. Ld., Westminster Gas Tubes and Fittings—Tuyatw «t Evans, Joseph, A Sons (Wol.) Ld., Wolverhampton Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Tangyes Ld., Cornwall Works, Birmingham Granary Equipment—Sqwipages dts gnmm Porteus, George, Leeds Bridge, Leeds GREA8E—Schmiere—Graisses Ghorley Bail way Wagon Co. Ld., Ohorley, Lancs. Trier Bros. Ltd., Caxton House, Westminster Theedam, E. 0„ Ld., Dudley Greasers ( Automatic)—Graissowrs automatiques Ackroyd A Best Ld., Morley, Yorks. Evans and Dodd, Cannock, Staffs Cringing Machinery—srovour, Bradley Pulverizer Co., 37, Walbrook, E.O. Hardy Patent Pick Co. Ld., Sheffield “ Jeffrey”—Hugh Wood A Co. Ld., N* castle- on- T. Johnson. W.. A Sons (Leeds) Ld.. ArmJev. lAeds Patent Lightning Crusher Co. Ld„ 114a, Bose- bery-avenue, E.C. Scholefield, Rd., Burley Vale. Leeds GUNPOWDER—Schiesspulver—Poudre d canon British Explosives Syndicate Ld., 124, St. Vin- cent-street, Glasgow Cotton Powder Co. Ld., 24, Walbrook,London,E.C. Curtis’s and Harvey Ld.,110, Cannon-street, E.C. Roburite and Ammonal Ld., 103, Cannon-st., E.O. HAULING Drums—Tambours d traction Bever, Dorling and Co. Ld., Bradford Bridge, David, A Co. Ld., Castleton, Manchester Bumsted and Chandler Ld., Hednesford, Staffs Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Phillips, C. D., Newport, Mon. Spencer and Co. Ld., Melksham, Wilts Sutcliffe, Bichard, Horbury, near Wakefield Walker Bros. (Wigan), Ld., Wigan Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville, Leicester Worsley Mesnes Ironworks Ld., Wigan Youngs, Byland-street Works, Birmingham HEADGEARS—Chassis d molettes Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Head, Wrightaon and Co. Ld., Stockton-on-Tees Goodall, Clayton and Co. Ld., Hunslet, Leeds Spencer and Co. Ld., Melksham, Wilts Heading Machines—Ha««u«« Davis, John, and Son (Derby) Ld., Derby Hardy Patent Pick Co. Ld., Sheffield “ Jeffrey ”—Hugh Wood A Co. Ld., N*castle-on-T. Sullivan Machinery Co., Salisbury House, E.C. HEAP8TEAD8—Installation de sitges Coulson, M., and Co., Spennymoor, Co. Durham Goodall, Clayton and Co. Ld., Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Head, Wrightaon and Co. Ld., Stockton-on-Tees Plowright Bros. Ld., Chesterfield Spencer and Co. Ld., Melksham, Wilts Walker Bros. (Wigan) Ld., Wigan Wood, John, and Sons Ld., Brook Foundry, Wigan Helical Gearing (Double) Power Plant Co. Ld., West Drayton, Middlesex H0I8T8—Monte-Charges Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Etardy Patent Pick Co. Ld., Sheffield Bea veil and Co. Ld., Ipswich Spencer and Co. Ld., Melksham, Wilts Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Youngs, By land-street Works, Birmingham Hooks or Links (Safety)—Crochet® de »4r«M Humble, Stephen, 9, Victoria-street, S.W. Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld„ Tipton Hoppers—iriSmws Baker, John, and Son, Bilston, Staffs Coulson, M., and Co. Ld., Spennymoor Goodall, Clayton and Co. Ld., Hunslet, Leeds Harvey, G. A., A Co. (Ldn.)Ld., Woolwich-rd.,S.E. Hardy Patent Pick Co. Ld., Sheffield Rimon-Carves Ld., 20, Mount-street, Manchester Spencer and Co. Ld., Melksham, Wilts Theedam, E. O„ Ld., Dudley HOSE—Tuyaux flexibles Blakeborough, J., and Sons, Brighouse, Yorks. Electric Hose and Rubber Co. Ld., 55, Caxton House, Westminster Hardy Patent Pick Co. Ld., Sheffield Mining Engineering Co. Ld., Sheffield Beddaway, F., A Co. Ld., Pendleton, Manchester Benton, Holdsworth & Co. Ld., Sneffield Willcox. W. H..A Co. Ld., 32-38, South wark-st.,S.E. Hydraulic Machinery—Machines hi/drauiiques Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Hathorn, Davey and Co. Ld.. Leeds Hadfields Ltd., Hecla & Eist Hecla W’ks, Sheffield Middleton, Bobert, A Co., Sheepscar F’ndry, Leeds Pearn, Frank, A Co. Ld., West Gorton, Manchester Pulsometer Engineering Co. Ld., Beading Sullivan Machinery Co., Salisbury House, E.C. Tangyes Ld., Cornwall Works, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Youngs, By land-street Works, Birmingham Hygrometers—Hyrometres Davis, John, and Son (Derby) Ld., Derby Nalder Bros, and Thompson Ld., 97a, Dalston- lane, N.E. INCLINE Rollers—Rouleaux pour plans inclines Goodall, Clayton and Co. Ld., Hunslet, Leeds Lowmoor Co. Ld., Lowmoor Ironworks, Bradford INDIARUBBER Goods—Articles en caoutchouc Electric Hose and Rubber Co. Ld., 55, Caxton House, Westminster, S.W. Beddaway, F., A Co. Ld., Pendleton, Manchester Indicators (Steam Engine)—indicateurs a essais Davis, John, and Son (Derby) Ld., Derby Nalder Bros, and Thompson Ld., 97a, Dalston- lane, N.E. Induced Draught Fans—tnduit Bumsted and Chandler Ld., Hednesford, Staffs Davidson and Co. Ld., Belfast Keith, James, and Blackman Co. Ld., 27, Fairing- don-avenue, London. E.C. Matthews & Yates Ld., Swinton, nr. Manchester Turbon Patent Fan Co. Ld., Llanelly Injectors and Ejectors—injecteurs et aspirateurs Hopkinson, J., and Co. Ld., Huddersfield Pulsometer Engineering Co. Ld., Beading Willcox, W. H., A Co. Ld.,32-38,Southwark-st.,S.E. INSTRUCTION (POSTAL)— Bnseignement par corre- spondence Southern, T. A., Universal Mining School, Cardiff Thom is, Wm., Cambrian Mining School, Forth Iron and Brass Founders—Fonderies de eret de laiton Btakeborough, J., and Sons, Brighouse, Yorks. Ghorley Bail way Wagon Co. Ld., Chorley, Lancs. Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Gosforth Foundry Co. Ld., Dronfield,nr. Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Protector Lamp and Lighting Co. Ld., Eccles Boyles Ld., Irlam, Manchester Spencer and Co. Ld., Melksham, Wilts Wood, John, and Sons Ld., Wigan Iron and 8teel-^«« act»r« Chorley Bailway Wagon Co. Ld., Ghorley, Lancs. Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Bradford, Yorks Scott, Walter, Ld,, Leeds Steel Works, Leeds Shelton Iron. Steel A Coal Co. Ld.. Stoke-on-Trent Stead, J., and Co. Ld., Manor Works, Sheffield Thompson and Co., Wigan Ward, Thos. W., Ld., Albion Works, Sheffield Jacks (Hydraulic)—Cries hydrauUoues Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, By land-street Works, Birmingham JlM CROWS—Presses icintrer les rails Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Theedam, E. O., Ld., Dudley Youngs, Byland-street Works, Birmingham Jointing Cement—Cvment d jointures Hall and Hall. 47, Lcadenhall-street, E.C. Taylor, S. T., and Sons, Scotswood-on-Tyne J0I8T8 (Rolled Steel—(Poutreiies en acier lamini Scott, Walter, Ld., Leeds Steel Works, Leeds Keps (for Windinc Cages)—Toquets Wood, John, and Sons Ld., Wigan Lamp Cleaning Machines—Machines a nettoyer des lampes Ackroyd and Best Ld., Morley, near Leeds Davis, John, and Son (Derby) Ld., Derby Protector Lamp and Lighting Co. Ld., Eccles Thomas, E., and Williams Ld., Aberdare Lamp. Gauze Brushes — Brosses d nettoyer la toile m6tallique des lampes Ackroyd and Best Ld., Morley, near Leeds Davis, John, and Son (Derby) Ld., Derby Protector Lamp and Lighting Co. Ld., Eccles Theedam, E. C., Ld., Dudley Thomas, E., and Williams Ld., Aberdare LAMP CLASSES—Chemintes pour lampes Ackroyd and Best Ld., Morley, near Leeds Protector Lamp and Lighting Co. Ld., Eccles Teale, W. E„ and Co. Ld., Swinton, Lancs. Theedam, E. 0., Ld., Dudley Thomas, E„ and Williams Ld., Aberdare Lamp Oil FILLIHG Machines—Machines d remplir les lampes Ackroyd snd Best Ld.. Merley. near Leeds Protector Lamp and Lighting Co. Ld., Eccles Teale, W. E., and Co. Ld., Swinton, Lincs. Theedam, E. C., Ld., Dudley Thomas, E„ and Williams Ld., Aberdare Lamp Re-lightihg Apparatus (Undercrouno) Rallumeurs pour lampes de mine Ackroyd and Best Ld., Morley, near Leeds Protector Lamp and Lighting Co. Ld., Eccles Teale, W. E., and Co. Ld., Swinton, Lancs. Thomas, E., and Williams Ld., Aberdare Lamps (Arg)—Lampu d orc Haslam and Stretton Ld., Cardiff Theedam, E. 0., Ld., Dudley LAMPS (ELEOTRIO)—Lampes tlectriques Ackroyd and Best Ld., Morley, near Leeds “ Ceag ” Miners’ Supply Co. Ld., 9, Harp-lane London Davis, John, and Son (Derby) Ld., Derby Haslam and Stretton Ld., Cardiff Mining Engineering Co. Ld., Sheffield Thomas, E., and Williams Ld., Aberdare Lamps (ELEOTRIO Safety)— Lampes de sHrete elec triques British Insulated and Helsby Cables Ld., Present “ Ceag ” Miners’ Supply Co. Ld., 9, Harp-lane, E.C. Davis, John, and Son (Derby) Ld., Derby Mining Engineering Co. Ld., Sheffield Pearson’s Electric Miners’ Lamp Co. Ld., Marsh- gate-lane, Stratford, London, E. Lamps (Miners* Safety)—Lampes de sdrete Ackroyd and Best Ld., Morley, near Leeds “ Ceag ” Miners’ Supply Co. Ld., 9, Harp-lane,E.C. , Davis, John, and Son (Derby) Ld. Derby Naylor, John, Central Brass Works, Wigan Pearson’s Electric Miners’ Lamp Co. Ld., Marsh gate-lane, Stratford, London, E. Protector Lamp and Lighting Co. Ld., Eccles Teale, W. E., and Co. Ld., Swinton, Lancs Theedam, E. O., Ld., Dudley Thomas, EL, and Williams Ld,, Aberdar*