148 THE COLLIERY GUARDIAN. January 19, 1917. Purchasers’ Guide to Advertisers’ Specialities—(continued). COAL Tipplers—Tomberaux d bascule Bennis, Ed., and Co. Ld., Little Hulton, Bolton Coppde Co. (Gt. Britain) Ld., Kingsway, London Coulson, M. A Co. Ld., Spennymoor, Co. Durham Goodall, Clayton and Co. Ld., Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Harvey, G. A., A Co. (Ldn.) Ld., Woolwich-rd., S.E. Head, Wrightson and Co. Ld., Stockton-on-Tees ■ . , ' Luhrig Coal and Ore-oressing Appliances Ld., 32, : Victoria-street, London, S.W. Sheppard and Sons Ld., Bridgend, South Wales Simon-Carves Ld., 20, Mount-street, Manchester : Spencer and Co. Ld., Melksham, Wilts Theedam, E. C., Ld., Dudley \ Walker Bros. (Wigan) Ld., Wigan Wood, John, and Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville, near Leicester Wright’s Forge and Engineering Co. Ld„ Tipton COAL-WASHING MACHINERY—Appareils de lavage du charbon CbppdeOo. (Gt. Britain) Ld„ Kingsway, London Coulson, M. A Co. Ld., Spennymoor, Co. Durham Hardy Patent Pick Co. Ld., Sheffield Harvey, G. A.,A Co. (Ldn.) Ld., Woolwich-rd., S.E. Heid, Wrightson and Co. Ld., Stockton-on-Tees Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Koppers’ Coke Oven and Bye-Product Co., Sheffield • . Liihrig Coal and Ore-Dressing Appliances Ld., 32, Y ‘ Victoria-street, London, S.W. Pulsometer Engineering Co. Ld., Beading Sheppard and Sons Ld., Bridgend, South Wales ' Simon-Carves Ld., 20, Mount-street, Manchester Spencer and Co. Ld., Melksham, Wilts Wood, John, A Sons Ld., Brook Foundry, Wigan Wright’s Forge and Engineering Co. Ld., Tipton ■ Coke Breakers—Concasseurs d coke Goodall, Clayton and Co. Ld., Hunslet, Leeds Hadfields Ld„ Hecla Works, Sheffield < Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Theedam, E. O., Ld., Dudley ; COKE Cars—Berlines a coke Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Coke Oven Construction Co. Ld., Sheffield Oopp6e Co, (Gt. Britain) Ld., Kingsway, London Koppers’ Coke Oven and Bye-Product Co. , Sheffield Simon-Carves Ld., 20, Mount-street, Manchester Coke Coolers—Extincteurs d coke Coke Oven Construction Co. Ld., Sheffield CopptSe Co. (Gt. Britain) Ld., Kingsway, London Koppers* Coke Oven and Bye-Product Co., Sheffield Coke Oven Charging Machinery — chargers por fours d coke Coke Oven Construction Co. Ld., Sheffield 1 Copp^e Co. (Gt. Britain) Ld., Kingsway, London Koppers’ Coke Oven and Bye-Product Co., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester ; Coke Oven Recovery Plant—installation* d recuperation des sous-produits Coke Oven Construction Oo. Ld., Sheffield. Copp^e Co. (Gt. Britain) Ld., Kingsway, London Head, Wrightson and Co. Ld. Stockton-on-Tees Koppers’ Coke Oven and Bye-Product Co., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester CoKe Oven Stamping Machinery— pour fours d coke Coke Oven Construction Co. Ld,, Sheffield Coppde Oo. (Gt. Britain) Ld., Kingsway, London Koppers’ Coke Oven and Bye-Product Co., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester COKE Ovens—Pours d coke Coke Oven Construction Co. Ld., Sheffield Copp6e Co. (Gt. Britain) Ld., Kingsway, London Koppers’ Coke Oven and Bye-Product Co., Sheffield Liihrig Coal and Ore-Dressing Appliances Ld., 32, Victoria-street, S.W Himnn.na.rvea Ld., 20, Mount-street, Manchester Coke Rams or Pushers—BEfourneuses Coke Oven Construction Co. Ld., Sheffield CoppSe Co. (Gt. Britain) Ld., Kingsway, London Koppers’ CokeOven andBye-Product Co., Sheffield Simon-Carves Ld, 20, Mount-street, Manchester Coke Screens—cables a cofa? Coke Oven Construction Co. Ld., Sheffield Gopp4e Oo. (Gt. Britain) Ld., Kingsway, London Cousland, Alex., and Son, 3, Mitchell-st., Glasgow Goodall, Clayton and Oo. Ld., Hunslet, Leeds Hardy Patent Pick Oo. Ld., Sheffield Harvey, G. A., and Co. (London) Ld., Woolwich- road, S.E. Head, Wrightson and Oo. Ld., Stockton-on-Tees Koppers’ Coke Oven and Bye-Product Co., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester Spencer and Co. Ld., Melksham, Wilts Collieries (Electrical Equipment of) race Peebles A Co. Ld., Edinburgh Colliery Machinery (Repairers) Barimar Ld., 10, Poland street, London, W. Uaroic Lid., 51, Holbora-viaduct, E.U. Coates and Co., 345, Glossop-rOad, Sheffield COLLIERY PLANT—Installation de charbonnages Allen, W. G., and Sons (Tipton) Ld., Tipton Bever, Dorling and Co. Ld., Bradford Olarke, Chapman and Oo. Ld., Gateshead-bn-Tyne Coulson, M., A Co. Ld., Spennymoor, Oo. Durham Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Davis, John, and Son (Derby) Ld., Derby Goodall, Clayton and Oo. Ld„ Hunslet, Leeds Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Harvey, G. A., A Oo. (Ldn.) Ld., Woolwich-rd., S.E. Haslam and Stretton Ld., Cardiff Head, Wrightson and Oo. Ld, Stockton-on- Tees Holmes, J. H., A Co., Newcastle-on-Tyne " “ Jeffrey ’’—Hugh Wood A Co. Ld., N’castle-on-T. ' Johnson, Wm., A Sons (Leeds) Ld„ Armley, Leeds Lewis, Wm., and Son, Bilston, Staffs. Marple and Gillott Ld., Sheffield Mining Engineering Co. Ld., Sheffield Nortons (Tividale) Ld., Tipton, Staffs Phillips, 0. D., Newport, Mon. Plowright Bros. Ld.„ Chesterfield Pulsometer Engineering Co. Ld., Beading Beavell and Co. Ld., Ipswich Sheppard and Sons Ld., Bridgend, South Wales Sullivan Machinery Co., Salisbury House, E.O. _________________ Waddle Patent Fan and Engmeering Co., Llanelly Davis’ John, and Son .(Derby) Ld., Derby ” WalkerBrothers HVigan)Ld. .Wigan New Explosives Co, Ld., 62, London-wall, E Ward, Thos. W., Ld., Albion Works, Sheffield — ~ - - — Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, Hugh, and Co., Newcastle-on-Tyne ' Wood, John, A Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville, near Leicester Worsley Mesnes Ironworks Ld., Wigan Wright’s Forge and Engineering Co. Ld., Tipton Yeadon, Son and Co., Albion-place, Leeds CONDENSERS & CONDENSING PLANT--------Appareils de condensation Beiliss and Morcom Ld., Birmingham Daglish. Bobert. and Co. Ld., St. Helens, Lancs. Deane, Ed., and Beal Ld., 676, Old Kent-rd. S.E. Mather and Platt Ld., Manchester Pulsometer Engineering Co. Ld., Beading Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan CONSTRUCTIONAL STEEL & IRON WORK-Matiriel de bdtvment en acier Bayliss, Jones A Bayliss Ld., Wolverhampton Coulson, M., A Oo. Ld., Spennymoor, Co. Durham Goodall, Clayton and Oo. Ld., Hunslet, Leeds Hardy Patent Pick Oo. Ld., Sheffield Head, Wrightson and Oo. Ld., Stockton-on-Tees Henderson and Glass, Liverpool Scott, Walter, Ld.J Leeds Steel Works, Leeds Shelton Iron, Steel, A Coal Oo. Ld., Stoke-on-Trent Trussed Concrete Steel Co. Ld., 64, Caxton , House, Westminster, S.W. Wood, John, A Sons LcL, Brook Foundry, Wigan Wright’s Forge and Engineering Oo. Ld., Tipton Converters Motor (Peebles - la Cour Patents) Bruce Peebles & Co. Ld., Edinburgh Converters(Rotary) Bruce Peebles & Co. Ld., Edinburgh Conveyors and Elevators — Transporters, ElEvaters, etc. .. Anderson, Boyes A Co. Ld., Motherwell, Scotland Bennis, Ed„ and Co. Ld., Little Hulton, Bolton Coulson, M„ & Co. Ld., Spennymoor, Co. Durham Diamond Coal-Cutter Co. Stennard Wks. Wakefield Goodall, Clayton and Co. Ld., Hunslet, Leeds Gosforth Foundry Co. Ld., Dronfield, nr. Sheffield Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Harrev. G. A.. A Co. (Ldn-d Ld«, W*«lwich-rd.. E, Head, Wrightson and Co. Ld., Stockton-on-Tees “ Jeffrey ”—Hugh Wood & Co. Ld., N’castle-on-T. Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Hoppers’ Coke Oven and Bye-Product. Co,Sheffield Mining Engineering Co. Ld., Sheffield Nortons (Tividale) Ld., Tipton, Staffs Plowright Bros. Ld., Chesterfield Beddaway, F., & Co. Ld., Pendleton, Manchester Scholefield, Bd., Burley Vale, Leeds Sheppard and Sons Ld., Bridgend, South Wales ■• Simon-Carves Ld., 20, Mount street, Manchester Spencer and Co. Ld., Melksham, Wilts Sutcliffe, B., Horbury, near Wakefield Wood, John, A Sons Ld., Brook Foundry, Wigan Wootton Bros. Ld., Coalville, near Leicester Corner Plates—Goussets Baker, John, and Son, Bilston, Staffs Ohorley Bailway Wagon Co. Ld., Chorley, Lancs. Lewis, Wm., and Son, Bilston, Staffs Theedam, E. O„ Ld., Dudley COUPLINGS—Embrayages . Chorley Bailway Wagon Co. Ld., Ohorley, Lancs. Power Plant Co. Ld., West Drayton, Middlesex Theedam. E. 0., Ld., Dudley Crab Winches—Treuiis Hardy Patent Pick Co. Ld., Sheffield Wood, John, and Sons Ld., Wigan Youngs, Byland-street Works, Birmingham . Cranes—Gruss Middleton, Bobt., A Co., Sheepscar Foundry, Leeds Tangyes’Ld., Cornwall Works, Birmingham Ward, Thos. W., Ld., Albion Works, Sheffield Wild, M. B., and Co. Ld., Nechells, Birmingham Youngs, Byland-street Works, Birmingham Dies, Embossing Presses, and Seals—Matrices, machines d estamper, presses d sceller Lawson, John, A Sons. 26, Carver-lane, Sheffield Pryor, Ed., and Son, Bockingham-street, Sheffield Disintegrators—u^int^rateurs Bradley Pulverizer Co., 37, Walbrook, London Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Middleton, Bobert, Sheepscar Foundry, Leeds Patent* Lightning Crusher Co. Ld., 14a, Bose- bery-avenue, E.C. Scholefield, Bd., curley Vale, Leeds Simon-Carves Ld., 20, Mount-street, Manchester Yeadon, Son and Co., Albion-place, Leeds Distilling Plant Lawrence Patent Water Softener and Sterilizer Co. Ld., 7, Parliament Mansions, Victoria- street, Westminster Simplex Conduits Ld., Garrison-lane, B’mingham Diving Apparatus—Scaphandres Pulsometer Engineering Co. Ld., Beading Siebe, Gorman and Co. Ld., Westminster, S.W. DOG SPIKES-Crampons de rail Bayliss, Jones A Bayliss Ld., Wolverhampton Frost, Albert, and Co., Sheffield Bussell, John G., Wishaw, Scotland ■ DRAIN C00K8“de purge Appleton and Howard, St. Helens, Lancs. Hopkinson, J., and Co. Ld., Huddersfield Drawing Instruments—instruments pour dessina- tours Davis, John, and Son (Derby) Ld., Derby Hay, H. E„ Peninsular House, 28, Monument street, London Stanley, W. F., A Co. Ld.,286, High Holbom, W.C. Thornton, A. G„ Ld., King-st. West, Manchester Drawing Office Stationery — Papeterie pour bureaux de dessins Davis, John, and Son (Derby) Ld., Derby Stanley, W. F., A Co. Ld., 286, High Holbom, W.C. Thornton, A. G., Ld., King-st. West, Manchester DRILLS (ELE0TRI0)~’-^er/or6W888 Electriques Davis, John, and Son (Derby) Ld., Derby Haden and Co,, Patricroft United States Metallic Packing Co.' Ld., Bradford Westminster Tool and Electric Co., Laurence Pountney Hill, E.C. Driving PuLLEYS-Pouiies Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Spencer and Co. Ld., Melksham, Wilts Wood, John, and Sons Ld., Wigan Duplex Pumping Engines—Pompes duplex Bever, Dorling and Co. Ld., Bradford, Yorks Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Evans, Joseph, and Sons Ld., Wolverhampton Pearn, F., and Co. Ld., West Gorton, Manchester Pulsometer Engineering Co. Ld., Beading Tangyes Ld„ Cornwall Works, Birmingham Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Dustbins (Sanitary)-^* aevidures n>rvfly, G. A., A Co. (Ldn.) Ld., Woolwich-rd., S.E. Lewis, Wm., and Son, Bilston Dynamite. Ao—Dynamite,&c. British Explosives Syndicate Ld., Glasgow Curtis’s and Harvey Ld., 110, Cannon-street, E.C. Miners’ Safety Explosives Co. Ld., 16, Great George-street, Westminster, S.W. New Explosives Co. Ld., 62, London-wall, E.O. Nobel’s Explosives Co. Ld., Glasgow Boburite and Ammonal Ld., 103, Cannon-st., E.O. DYNAMOS—Dynamos . Brace Peebles A Co. Ld., Edinburgh Clarke, Chapman and Co. Ld„ Gateshead-on-Tyne Holmes, J. H. A Co., Newcastle-on-Tyne Sutcliffe, Biohard, Horbury, near Wakefield Electric Detonators and Fuses — Amorces Electriques British Explosives Syndicate Ld., Glasgow Cotton Powder Co. Ld„ 32, Queen Victoria-st., Curtis’s and Harvey Ld., 110, Cannon-street, E.O. Davis, John, and Son (Derby) Ld., Derby New Explosives Co, Ld., 62, London-wall, E.O. Nobel’s Explosives Co. Ld., Glasgow Electrical Engineers—ingEnier-yiectricien i British Insulated and Helsby Cables Ld., Prescot Bruce Peebles & Co. Ld., Edinburgh Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Coates and Co. (Sheffield) Ld., Sheffield Corlett Electrical Engineering Co. Ld., Wigan Davis, John, and Son (Derby) Ld., Derby * Haslam and Stretton Ld., Cardiff Holmes, J. H., and Co.. Newcastle-on-Tyne Simplex Conduits Ld., Garrison-st., Birmingham Theedam, E. O., Ld., Dudley Electrical Fault Indicators—indicators des derangements Electriques Davis, John, and Son (Derby) Ld., Derby Diamond Coal-Cutter Co., Wakefield Nalder Bros, and Thompson Ld., 97a, Dalston- I lane, N.E. Electric Haulages—installations por la traction Electrique Anderson, Boyes A Co. Ld., Motherwell, Scotland Avonside Engine Co. Ld., Bristol Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Goodall, Clayton and Co. Ld., Hunslet, Leeds Holmes, J. H., and Co., Newcastle-on-Tyne Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, John, A Sons Ld., Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan' Wright's Forge and Engineering Co. Ld., Tipton Electrio Meters—Compters d’Electricity British Insulated and Helsby Cables Ld., Prescot Holmes, J. H., and Co., Newcastle-on-Tyne Electric Motors A.C & D.C Bruce Peebles & Co. JLd., Edinburgh . Electrical Plant—installations electriques Beiliss and Morcom Ld., Birmingham British Insulated and Uelsby cables Ld., Prescot Bruce Peeb’.es & Co. Ld., Edinburgh- Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Coates and Co. (Sheffield) Ld., Sheffield Corlett Electrical Engineering Co. Ld., Wigan Davis, John, and Son (Derby) Ld., Derby Diamond Coal-Cutter Co., Wakefield Greenwood and Batley Ld., Albion Works, Leeds Holmes, J. H., and Co., Newcastle-on-Tyne Electrical Pumps—Pompes fieotriques Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Holmes, J. H., and Co., Newcastle-on-Tyne Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Pulsometer Engineering Co. Ld., Beading Tangyes Ld., Cornwall Works, Birmingham Wild, M. B., anH Co. Ld., Nechells, Birmingham Wood, John, and Sons Ld„ Wigan Worsley Mesnes Ironworks Ld., Wigan Enamelled Plates for Notices for Mines- Plaques a aflichages en fer emailie Haslam and Stretton Ld„ Cardiff Protector Lamp and Lighting Oo. Ld., Eccles Theedam, E. 0., Ld., Dudley Enamel Manufacturers (for all Metals)- —Emails pour tou mEtaux Guilbert-Martin, 9, Edmund-pl., Aldersgate, E.O, Engineers (Consulting)—ingenieurs-conseiis Fell, O. A., Dronfield, near Sheffield , Sutcliffe, Bichard, Horbury, near Wakefield Thomas, Wm., Cambrian Mining School, Forth . Engines (Blowing)—Machines souffiantes Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Bichardsons Westgarth and Co. Ld., Hartlepool Walker Brothers (Wigan) Ld., Wigan Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan ENGINES (Gas-Compressing)—Comprimeursde gaz Daglish, Bobert, and Oo. Ld., St. Helens, Lancs. Fairbanks, Morse A Co. Ld., 87, Southwark-st.,S.E. Beavell and Co. Ld., Ipswich Walker Brothers (Wigan) Ld., Wigan Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Engines (Hauling and Winding) — Machines d’attElage et d’extraction Beiliss and Morcom Ld., Birmingham 1 Bever, Dorling ang. Co. Ld., Bradford, Yorks Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Hardy Patent Pick Co. Ld., Sheffield Phillips, Chas. D., Emlyn Works, Newport, Mon. Pratchitt Bros. Ld., Carlisle Sheppard and Sons Ld., Bridgend, South Wales Sutcliffe, Bichard, Horbury, near Wakefield Tangyes Ld., Cornwall Works, Birmingham Walker Brothers (Wigan) Ld., Wigan Wild, M. B., and Co. Ld., Nechells, Birmingham Wood, Hugh, and Oo., Newcastle-on-Tyne Wood, John, A Sons Ld., Brook Foundry, Wigan Worsley Mesnes Ironworks Ld., Wigan Engines (Locomotive)—Locomobiles Bute Works Supply Co. Ld., Cardiff Hawthorn, Leslie and Co. Ld., Newcastle-on-Tyne Lancaster and Tonge Ld., Pendleton, Manchester Lincoln Wagon and Engine Co. Ld., Lincoln Peckett A Sons Ld., Atlas Locomotive Wks. .Bristol Ward, Thos. W., Ld., Albion Works, Sheffield Engines (Marine Type)—Machines d vaper de navire Beiliss and Morcom Ld., Birmingham Fairbanks, Morse A Co. Ld., 87, Southwark-st.,S.E. Engines (Oil)—Motors d huiie Beiliss and Morcom Ld., Birmingham Fairbanks, Morse A Co. Ld., 87, Southwark-st.,S.E. Tangyes Ld., Cornwall Works, Birmingham ENGINES (ROLLING Mill)— Machines pour laminoirs Daglish, Bobt., and Co. Ld., St. Helens, Lancs. ENGINES (Steam)—Machines d vaper Beiliss and Morcom Ld., Birmingham Beyer, Dorling and Co. Ld., Bradford Bumsted and Chandler Ld., Hednesford, Staffs Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Hathorn, Davey and Co. Ld., Leeds Lancaster and Tonge Ld., Pendleton, Manchester Pulsometer Engineering Co. Ld., Beading Beavell and Co. Ld., Ipswich Stewarts and Lloyds Ld., Birmingham Stewarts and Lloyds Ld., 41, Oswald-st., Glasgow Tangyes Ld., Cornwall Works, Birmingham Walker Brothers (Wigan) Ld., Wigan Ward, Thos. W., Ld., Albion Works, Sheffield Wood, John, and Sons Ld., Wigan Wootton Bros. Ld., Coalville, Leicester Worsley Mesnes Ironworks Ld., Wigan Exhaust Turbine Reducing Valves—Soupapes reductrices por turbiness d vapour d’Echappement Auld, D„ and Sons, Whitevale Foundry, Glasgow Boyles Ld., Irlam, Manchester Exhaust Turbine Safety Valves—Soupapes d , sdrete por trbines d vapeur d’echappement. Auld, D., and Sons, Whitevale Foundry, Glasgow Expansion Gear—Appareiis de detente Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Wood, John, and Sons Ld., Wigan Worsley Mesnes Ironworks Ld., Wigan Explosives—Expiosifs British Explosives Syndicate Ld., Glasgow Cotton Powder Co. Ld., 32, Queen Victoria,-st„ E.O. Curtis’s and Harvey Ld.. 110, Cannon-street, E.C. Davis, John, and Son (Derby) Ld.. Derby Evans. D. L., Bute-street, Cardiff Miners’ Safety Explosives Co. Ld., 16, Great George-street, Westminster, S.W. New Explosives Co. Ld., 62, London-wall, E.O. Nobel’s Explosives Co. Ld., Glasgow Benton, Holdsworth & Co. Ld., Sheffield Boburite and Ammonal Ld., 103, Cannon-st., E.C. Thompson and Co., Wigan Explosives (Permitted)—Expiosifs autorises British Explosives Syndicate Ld., 124, St. Vin- cent-street, Glasgow Cotton Powder Co. Ld., 32, Queen Victoria-st., E.O. Curtis’s and Harvey Ld., 110, Cannon-street, E.C. Miners’ Safety Explosives Co. Ld., 16, Great ' George-street, Westminster, S.W. New Explosives Co. Ld., 62, London-wall, E.C. x Nobel’s Explosives Co. Ld., Glasgow Benton. Holdsworth & Co. Ld., Sheffield Boburite and Ammonal Ld., 103, Cannon-st., E.C. Fans (Air Propeller)—Roues de ventilation Davidson and Co. Ld., Belfast Keith, James, and Blackman Co. Ld., 27, Farring- don-avenue, London, E.C. FANS (Exhaust)—Ventilateurs d exhare “Amarilla” Fans (George Fletcher A Co. Ld.), Litchurch, Derby Bumsted and Chandler Ld.. Hednesford, Staffs Robert.