November 17, 1916. THE COLLIERY GUARDIAN 981 JAMES SPENCER & co. Hand Drilling Machine (Self-feeding). LIMITED, Hollinwood, Manchester. Weighing Machinery for Collieries a Speciality, Telegrams : “ Spencer, Hollinwood.” Telephone : 207 Oldham. Dormant Weighing Machine with back frame. HIPKINS’ PATENT STEEL RIVETLESS SLEEPER, THE MOST EFFECTIVE AND ECONOMICAL STEEL RIVETLESS COMBINED CHAIR & SLEEPER IN THE MARKET. No Loose Parts. No Rivets, MUCH CHEAPER THAN WOOD SLEEPERS TO-DAY. MADE TO SUIT ANY GAUGE. Delivery 7 to 14 days from receipt of order. MADE TO FIT ANY SECTION OF RAILS. WILLIAM BICKLEY, “-JSX. Bloxwich, Walsall. Purchasers’ Guide to Advertisers’ Specialities—(continued). Sleepers ( Iron and steel) — Traverse# en/er et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Baird, J. W., and Co., West Hartlepool Bickley, Wm., Eclipse Sleeper Works, Bloxwich, Walsall Bute Works Supply Co. Ld., Cardiff Renton, B. M., and Co., Midland Works, Sheffield SMITH WORK—Outrages de forge Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wright’s Forge and Engineering Co. Ld., Tipton SMOKE Helmets—Casques protecteurs contre fumees Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Spanners Fastnut Ld., 115, Newgate-street, London SPEED-REDUCING Gears — Engrenages a reduction de vitesse Wood, John, and Sons Ld., Wigan Sphincter Grip Armoured Hose—Tuyaux armes Beddaway, F., & Co. Ld., Pendleton, Manchester Springs—Ressorts Lancaster and Tonge Ld., Pendleton, Manchester Wigan Wagon Co. Ld., Springs Branch, Wigan Stampings—Estampages Chorley Bailway Wagon Co. Ld., Chorley Hardy Patent Pick Co. Ld., Sheffield Head, Wrightson and Co. Ld., Stockton-on-Tees Lowmoor Co. Ld., Lowmoor Ironworks, Bradford STEAM Experts—Spedalistes en tout ce qui concerns la vapeur Fell, C. A., Dronfield, near Sheffield Princeps A Co., Sheffield Royles Ld., Irlam, Manchester STEAM FITTINGS—Garnitures de chaudieres Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld„ Huddersfield Boyles Ld., Irlam, Manchester Bussell, John, and Co. Ld., Alma Works, Walsall Scottish Tube Co. Ld.. 34, Bobertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham & Glasgow Steam Mains and Pipe Installations - Conduites de vapeur Stewarts and Lloyds Ld., Birmingham A Glasgow Steam-Saving Appliances — Economiseurs de vapeur Boyles Ld., Irlam, Manchester STEAM Traps—Pvrgeurs de vapeur ' Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks. Hopkinson, J., and Co. Ld., Huddersfield Lancaster A Tonge Ld., Pendleton, Manchester Princeps A Co., Sheffield Boyles Ld., Irlam, Manchester Stewarts and Lloyds Ld., Birmingham A Glasgow United States Metallic Packing Co. Ld., Bradford Wright’s Forge and Engineering Co. Ld., Tipton STEAM Wagons— Vdtures autos d vapeur Mann’s Patent Steam Cart and Wagon Co. Ld., Hunslet, Leeds Steam Winches—Treuiis d vapeur Clarke, Chapman A Co. Ld., Gateshead-on-Tyne Phillips, C. D., Newport, Mon. Wood, John, and Sons Ld., Wigan STEEL—Fabricants d’acier Cooke, William, and Co. Ld., Tinsley, Sheffield Cradock, George, and Co. Ld., Wakefield Haden and Co., Patricroft Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Hodgson, E. W„ and Co., Sheffield Howell A Co. Ld., Brook Steel Works, Sheffield Latch and Batchelor Ld., Hay Mills, near B’ham Mining Engineering Co. Ld., Sheffield . Shelton Iron, Steel A Coal Co. Ld., Stoke-on-Trent Stead, J.. ?nd Co. Ld.. Manor Work^, Sheffield Stewarts and Lloyds Ld., Birmingham A Glasgow Thompson and Co., Wigan Steel Blooms, Billets—Loupes et lingots en acier Cradock, George, and Co. Ld., Wakefield Scott, Walter, Ld., Leeds Steel Works, Leeds STEEL Flats AND Rounds—Barres et ronds en acier Scott, Walter, Ld., Leeds Steel Works, Leeds Stead, J., and Co. Ld. Manor Works, Sheffield STEEL TiNBARS—Bidons a t6le« de fer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds Stencil Plates, Steel Stamps, Ao.—Patrons poinqons, &c. Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, Sheffield Stockbrokers. Chapman. Wm., A Co., Wheeler Gate, Nottingham Stokers Machine). Bennis, Ed., and Co. Ld., Little Hulton, Bolton Stone Breakers—casse-pierres Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leads Stonedust Grinding Plant—Broyeurs (poussitre de schistes) Bradley Pulverizer Co., 37, Walbrook, E.C. Fletcher, George, and Co. Ld., Litchurch, Derby “ Jeffrey”—Hugh Wood A Co. Ld., N’castle-on-T. Joh ison, Wm.. A Sons (Leeds) Ld., Armley,Leeds Scholefield, Rd., Burley Vale, Leeds STRUCTURAL Steelwork—Constructions en acier Goodall, Clayton and Co. Ld.. Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Scott, Walter, Ld., Leeds Steelworks, Leeds Wright’s Forge and Engineering Co. Ld., Tipton Sulphate of Ammonia Plant — Appareiis d recuperation du sulfate d ammoniaque Copp6e Co. (Gt. Britain), Kingsway, London Koppers’ Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester Sulphur Recovery Plant—Appareiis d recupera* twn du souffre Coke Oven Construction Co. Ld., Sheffield Copp^e Co. (Gt. Britain) Ld., Kingsway, W.C. Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Co., Sheffield Superheaters—Surchuujeurs Clarke, Chapman and Co. Ld., Gateshead-on-Tyne GaUoways L*’., Manchester Pulsometer Engineering Co. Ld., Beading Surplus Steam Valves (Full Bore)—Soupapes auvapeur en trop plein Auld, D„ and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Royles Ld., Irlam, Manchester SURVEYING (Books on)—Manuel d’arpentage Thomas, Wm., Cambrian Mining School, Forth Surveying ( Instruction ) — Ensdgnement (arpentage) Thomas, Wm., Cambrian Mining School Forth Surveying Instrument Makers — Apparent d’arpentage Davis, John, and Son (Derby) Ld., Derby Harling, W. H., 47, Finsbury Pavement, London Hay, H. E , Peninsular House, 28, Monument- street, London Stanley, W. F., A Co. Ld., 286, High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester SWITCH Boards—Tableaux de distribution Haslam and Stretton Ld., Cardiff Holmes, J. H., and Co., Newcastle-on-Tyne SWITCH Gear -Commutateurs eiectriques Anderson, Boyes A Co. Ld., Motherwell, Scotland British Insulated and Helsby Cables Ld., Prescot Haslam and Stretton Ld., Cardiff Holmes, J. H., and Co., Newcastle-on-Tyne TANKS -Reservoirs Daglish, Robert, and Co. Ld.. St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Harvey, G. A., ACo.(Lndn.) Ld.,Woolwich-rd.,S.E. Head, Wrightson and Co. Ld., Stockton-on-Tees [sea Foundry Co. Ld., Newport, Mon. Theedam, E. C., Ld., Dudley Ward, Thos. W., Ld., Albion Works, Sheffield Wright’s Forge and Engineering Co. Ld., Tipton Wood, John, and Sons Ld., Wigan Tachographs and Tachometers—Tacheomttres Davis, John, and Son (Derby) Ld., Derby Tar Distilling Plant—installations d distiller ie goudron Coke Oven Construction Co. Ld., Sheffield Copp6e Co. (Gt. Britain) Ld., Kingsway, London Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Jo., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester TECHNICAL Education— Ensdgnement technologique Southern, T. A., Universal Mining School, Cardiff Thomas, Wm., Cambrian Mining School, Forth Telephones—Telephones British Insulated and Helsby Cables Ld., Prescot Davis, John, and Son (Derby) Ld., Derby Haslam and Stretton Ld., Cardiff Timber (Colliery)—Boisages Baird, J. W., and Co., West Hartlepool Forslind, C. A., and Son, West Hartlepool Jennings, C., and Co. Ld., Pennywell-rd., Bristol Osbeck and Co., Newcastle-on-Lyne Turner, E. W.. A Co. Ld., Bloxwich, Staffs Time recorders National Time Recorder Co., 5, Blackfriars-road, London, S.E. Tools—Outn* Fell, C. A., Dronfield, near Sheffield Haden and Co., Patricroft Hardy Patent Pick Co. Ld., Sheffield Howell A Co. Ld., Brook Steel Works, Sheffield Tool Steel Stead, J„ and Co. Ld., Manor Works, Sheffield Towers (Cooling) Davenport Engineering Co. Ld., Harris-st., Brad- ford, Yorks Tram and Wagon Corner Plates-Comieres pour voitures Baker, John, and Son, Bilston, Staffs Chorley Bail way Wagon Co. Ld., Chorley, Lancs. Theedam, E.C., Ld., Dudley Transformers (Electrical) — Trans/ormateurs eiectriques British Electric Transformer Co. Ld., Hayes, Middlesex Davis, John, and Son (Derby) Ld., Derby Transport Plant—Transporters British Ropeway Engineering Co. Ld., 7, M'ncing- lane, London, E.C. Haggie, B Hood and Son, Nowcaatle-on-Tyne Trommels—Trommels Barns, W., and Son, Globe Works, Holloway Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Spencer and Co. Ld., Melksham, Wilts Tubbing and Well Cylinders—Cuveiages Head, Wrightson and Co. Ld., Stockton-on-Tees Wood, John, and Sons Ld., Wigan TUB DRAWBARS—Tiges de traction pour berlines Chorley Bailway Wagon Co. Ld., Chorley, Lancs Theedam, E. C., Ld., Dudley TUBE Fittings— Accessdres pour tuyauteries Dixon, S., and Son Ld., Swinegate, Leeds Lewis, Edwin, and Sons Ld., Wolverhampton Bussell, John, and Co. Ld., Walsall Scottish Tube Co. Ld., 34, Robertson-st., Glasgow Spencer, John, Ld., Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasgow TUBES (Iron AND Steel)—Tubes en er eten Oder Allen, W. G., and Sons (Tipton) Ld., Tipton Dixon, S., and Son Ld., Swinegate, Leeds Howell and Co. Ld., Sheffield Lewis, Edwin, and Sons Ld., Wolverhampton Lewis, William, and Son, Bilston Russell, John, A Co. Ld., Alma Tube Wks., Walsall Scottish Tube Co. jud., 34, Robertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasgow Wellington Tube Works Ld., Great Bridge, S ffs Tub Greasers and Controllers—Appardu