142 January 21, 1916. THE COLLIERY GUARDIAN’. _________________________________________________________________________________________ MEW PATENTS CONNECTED WITH THE COAL AND IRON TRADES. Applications for Patents. [Note.—The applications will in future be arranged alpha- betically under the names of the applicants (in the case of communicators, these will be given in italics). The number in each case is that of the application, and will be retained up to the date of acceptance, whereupon a new number will be given, which will replace the application number.] Beiliss and Morcom and Guest, C. L. (594). Centrifugal governor mechanism. Bennis, A.W. (611). Removal of clinker, etc., from moving furnace grates. . . British Thomson-Houston Company, and Whitaker, F. P. (465). Electric rotary converters. British Thomson-Houston Company, and Whitaker, P. C. (681). Alternating-current electric apparatus. Burdick, C. L. (437). Rotary engines or air pumps. Burton, T. B., Kearns (H. W.), and Company, and Kearns, J. R. C. (592). Surfacing, boring, and drilling machines. Churchill, J. R. (418). Tipping bodies for motor, etc., vehicles. Dear, C., and Miris Steel Company (531, 532, 533). Manu- facture of steel. Elkington, E. M. (Elkington) (409). Winding or coiling appliances. Fraser, D. (445). Apparatus for removing dust, etc., in the operation of stone cutting and other tools. Gair, J., and Johnston, J. T. M. (682). Coal shoots, etc. Goodall, C. W. (659). Transporter trucks. Hutton, H. T. (626). Pumps. Jolley, T. H., and Lloyd, D. P. (450). Manufacture of fuel from anthracite duff or small coal. Jones, G. (402). Conveyors for coaling ships, etc. Mackenzie, J. (680). Treatment of spent tan bark, peat, etc., for fuel. Preston, J. E. (670). Gas detector and indicator for inflam- mable gases in coal mines, etc. Smedley, F. I., and Wright, A.L. (613). Pit tubs. Smith, F. J. (610). Brake for mine cages, etc. Travis, T. G., and Walton, J. R. (661). Electric motor starters and controllers. Complete Specifications Accepted. (To be published on February 3.) 1914. 20679. Manufacture of coal briquettes. Sutcliffe, Phillips, and Thomas. 24659. Automatic magnetically-operated clutches for electric motors. Stirk. 1915. 324. Electrical transmitter microphones. Pilkington. 332 and 333. Apparatus for cleaning fire tubes of steam boilers. Reiter and Gruenwald (firm of). 353. Centrifugal compressors. British Thomson-Houston Company. (General Electric Company.) 472. Process of and apparatus for washing and treating coal. Burnett. 745. Chequer bricks as used in the chequering chambers of carburetted water gas plants or coke oven chambers. Davison and Tooley. 782. Processes and furnaces for generating heat. Thomas and Mainwaring. 951. Devices for limiting explosions in mines. Wade. (Frolich und Klupfel, firm of.) 2358. Cylinders for operating coal and like conveyors of the reciprocating type. Ward. 6039. Signalling in mines and the like. Davis. 14021 and 14022. Process of and apparatus for washing and treating coal. Burnett. Complete Specifications Open to Public Inspection Before Acceptance. 1915. 6613. Process of distilling shale or coal for the production of oil or illuminating gas. Fell. valves from getting out of position when they are open, and also allowing the valve discs to turn as aforesaid. (Two claims.) 23387 (1914). Improvements in or relating to Fuel Supply Apparatus for Explosion Motors. J. C. Hansen-Ellehammer, of Istedgade 119, Copenhagen, Denmark.—Relates to liquid fuel vaporisers for internal combustion engines of the kind in which the engine is started on light volatile fuel, such as petrol, and subsequently run on heavy oil, which is vaporised by the heat of the exhaust gases. The vaporiser, according to the invention comprises a series of vaporising tubes dis- posed within the exhaust pipe, the total cross section of the said tubes being so much greater than the cross section of the liquid fuel pipe, that the liquid drawn in by the engine suction is freely converted into vapour without producing back pres- sure. The fuel supply pipe preferably opens into a central tube having a small air inlet, and leading into a chamber which forms a bottom header for arranged in a circle, the said central tube extending down- wardly within the circle of rising vaporising tubes. The liquid fuel is raised from a low- level tank by the suction of the engine alone, no pressure-feed or float-con trolled gravity feed being employed. The auto- matic air inlet valve is con- trolled by a short spring, the tension of which increases rapidly during the opening movement, whereby the propor- tion of air and fuel remains constant at any speed of the engine. In the drawing, the air valve 1, which is furnished with a short spring 2, the ten- sion of which rapidly increases during the opening movement, is disposed in a valve casing 3, which, 'in a suitable manner, not shown on the drawing, is. connected with the motor its various cylinders, and is also connected with the vaporiser by means of a pipe 4, which opens into the valve casing above the valve 1. The vaporiser consists of a number of pipes 5, disposed in a circle, an intermediate tube 6, and two headers 7 and 8, the vaporiser being entirely or partially disposed in the exhaust pipe 9 of the motor. In the tube 6, which pro- jects through the header 7, a pipe 10 opens, which, by means of a junction box 11, is connected with pipes 12 and 13 rising from two fuel tanks 14 and 15. These pipes are regu- lated together by a hand-actuated member, such as a cock 16, with two ways 17 and 18 bored at an angle to each other. The mouth 19 of the pipe 10 opening into the junction box 11, has dimensions corresponding to those of the narrowed opening usual in fuel oil suction pipes. The tube 6, sur- rounding the other end of the pipe 10, is provided with fine air openings 20. (Six claims.) 24289 (1914). Improvements in Retort Houses. A. McD. Duckham, of Waseda, Highfield, Ashtead, Surrey.— The invention is designed to obviate the trouble experienced with the ventilation of retort houses installed with vertical retorts. The air entering on the ground level becomes heated by contact with the supporting iron work and mouthpieces around the bottom of the retorts, from which the coke is discharged, and is further heated by contact with the brickwork forming the bottom and sides of the settings. This heated air ascends and causes incon ___________ venience to the attendants working on the intermediate platforms and on top of the settings. At the most convenient position up the sides of the settings the inventor covers over the space between them and the retort house walls, and so pre- vents the ascent of the hot air. In the retort house walls, under the cover, are provided open- ings which allow the heated air to pass from the building, and over the cover, openings are provided for air inlets to the __________ top of the settings and to any intermediate stages. In order to ventilate any stages that may be formed between two benches of settings, air ducts are constructed from these stages, running downwards to such a level above the ground floor that only cool air enters or these ducts may be extended to the outside of the building. _____________________________ The cool .air is admitted through the floors of such stages, which act as covers to exclude the heated air. ' The drawing shows in vertical sec- tion part of a retort house. Openings at are provided in the outer walls A of the retort house, through which the air heated by contact .with the bottom of the settings can escape. Through other openings a2, a3 cooler air can enter from outside for the ventilation of the intermediate platforms C and platforms such as D at the top of the settings. A cover B, between the settings and the outer walls, shuts off the space above it ventilated by the air entering through the openings a.2 from the space below. For the purpose of ventilating stages between two benches of settings, ventilating shafts such as E are carried downwards to a level which ensures the supply of cool air. The tops of the shafts would be covered by gratings. In this case the raised floor F acts like the cover B, and the cool air is passed through it. (Three claims.) the vaporising tubes or Blotting-Pad Diary. — Messrs. Johnson and Phillips, Charlton, S.E., the well-known manufacturers of cables and wires, transformers, dynamos, and other electrical plant, have favoured us with an extremely useful date-indicating blotting- pad, which comprises, besides the pad, tear-off memorandum and date slips, block for standing memos, and interleaved diary with alphabetical index. Messrs. Johnson and Phillips also send us a pocket diary and engagement book for 1916, which contains useful information, and also has a register for letters sent out and received. Coal Shipped from Ports in the United Kingdom during December.—The following figures, which have been extracted from the returns issued by the Commissioners of H.M. Customs and Excise, show the quantities of coal shipped from each group of ports in the United Kingdom during the month of December, as compared with the corresponding month last year :—■ Cargx Dec. 1914. Dec. 1915. Tons. Tons. Bristol Channel ports 1,755,817 ... 1,537,883 North-western ports 91,257 ... 22,019 N orth-eastern ports 1,017,520 ... 1,047,224 Humber ports 345,504 ... 188,472 Other east coast ports 10,756 ... 3,209 Other English ports 10 ... 30 Ports on east coast of Scotland 308,993 ... 290,035 Ports on west coast of Scotland 169,017 ... 198,370 _________________________ Total 3,698,847 ... __________ 3,287,242 Bunker. Dec. 1914. Dec. 1915. Tons. Tons. Bristol Channel ports .... 356,111 ... 283,112 North-western ports 292,676 ... 201,959 North-eastern ports 205,851 173,748 Humber ports 135,916 ... 97,699 Other east coast ports 95,786 ... 63,206 Other English ports 20,373 ... 15,597 Ports on east coast of Scotland... 57,317 ... 37,706 Ports on west coast of Scotland .. 80,312 ... 78,740 Irish ports 3,873 ... 2,111 Total 1,248,215 ... 953,878 GOVERNMENT PUBLICATIONS. * ri Any of the following publications may be obtained on application at this office at the price named post free. Output of Coal in the United Kingdom : Return (No. 389), Id. Production of Food in Scotland Committee : Minutes of Evidence, 5s. 5d. Education (Scotland) : Reports, etc., 1914-15, 8s. 9d. Finance Act, No. 2, Regulations, December 23, 1915, Id. Labour Gazette, January, 3d. Bills, 1915 : Customs, War Powers Amendment, IJd.; Registration of Firms, IJd.; Munitions of War Amendment, 2Jd. Boiler Exnlosion Report (No. 2385) : Lancashire Boiler at Grist Mill, Birmingham, 5Jd. Trade and Consular Reports, 1914: France, Bordeaux, (5525), 4Jd.; France, Caledonia (5533), 2d.; Portugal, Oporto (5536), 2|d.; France, Saigon (5538), 2Jd.; Greece, The Cyclades (5537), 3d.; Federated Malay States, Is.; Barbados, for 1914-15, 2Jd.; Falkland Islands, ljd.; China, Trade of Mengtzu, 2d. ; China, Trade of Chefoo, 2d. ; Persia, Trade of Seistan and Kain, 1913-14, 2Jd.; Japan, Trade of Nagasaki, 2yd. _________________________ PUBLICATIONS RECEIVED. Mining Hand Sketching. By F. Mawson. London : E. and. F. N. Spon Limited. Price, Is. 6d. net. “ Bulletin of the Institution of Mining and Metallurgy ”, (No. 136); “The Journal of State Medicine” (Vol. 24, No. 1), January, price 2s. net; “Proceedings of the Staffordshire Iron and Steel Institute, 1914-15 ” (Vol. 30); “ Cassier’s Engineering Monthly ” (Vol. 49, No. 1), January, price l,s.; “ Mining Magazine ” (Vol. 14, No. 1), January, including supplement, price Is.; “Revista Minera Metalurgica y de Ingenieria ”; “The British Trade Journal” (Vol. 54, No. 637), January, price 2s.; “ The Engineering Magazine,” January, price Is.; “ The American Coal Trade Bulletin ” (Vol. 34, No. 3), January, price 15c.; “Miners’ Wash and Change Houses,” by J. H. White (Technical Paper 116, United States Bureau of Mines); “Notes on the Use of Low-Grade Fuel in Europe,” by R. H. Fern aid (Technical Paper 123, of the United States Bureau of Mines); “Accidents at Metal- lurgical Works in the United States during 1913 and 1914,” compiled by A. H. Fay (Technical Paper 124, of the United States Bureau of Mines). __________________________ Hull Coal Exports.—The official return of the exports of coal from Hull to foreign countries for the week ending Tuesday, January 11, is as follows :—Amsterdam, 657 tons; Boulogne, 1,343; Dieppe, 335; Dunkirk, 2,396; Gothenburg, 1,632; Havre, 805; Rotterdam, 313; Rouen, 9,484; South Georgia, 3,444; St. Sampsons, 237—total, 20,646 tons. These figures do not include bunker coal, shipments for the British Admiralty, or the Allies’ Governments. Corresponding period, January 1915, total 40,253 tons. Exports and Imports of Coal Tar Products.—The follow- ing shows the values of coal tar dyes imported into the United Kingdom in December and the completed year 1915, compared with those of the preceding year :— Year ending December 31. ______ ______ December. Alizarine and anthracene dye stuffs ............. Aniline and naphthalene dye stuffs ............. Synthetic indigo.................. Other coaltar dye stuffs... The values of coal products exported during the year and in December were as follow :— 1914. 1915. £ £ 16... — 1914. 1915. £ £ 134,647... — 51,331... 1,589... 1,105,857...42,904 50,567...74,849 359... 762 C oal products, not dy es— Aniline oil & toluidine Anthracene ........ Benzol and toluol ... . Carbolic acid ...... Coal tar, crude _____ ,, refined & varnish Naphtha .......... Naphthalene ..... Pitch............. Tar oil, creosote, &c... Other sorts ........ December. 1914. 1915. £ £ 11.910.. . 10,192... 225.. . 22.226.. . 12.720.. . 887. . 4,024... 360.. . 1,051... 24.967.. . 34,453 .. 28.253.. . 72,376 .. 27.386.. . 20,742... 47.279.. . 14.819.. . 205... 3,021... 2.359.. . 2.557.. . Year ending De ember 31. 1914. 1915. £ £ . 54,916 . . 108,752 1,271.. 1,808 . 195,503.. . 430,853 . 135,303.. . 250,992 9,650.. 3,998 . 57,217.. . 55,599 17,432.. . 24,454 . 23,889.. . 47,780 711,105.. . 341,328 . 523,799.. . 659,148 298,481.. . 302,387 2,02«,566.. .2,227,099 . 170,013.. . 269,477 Total ............134,009 . 208,003...' Coal tar dye stuffs..... 8,561... 34,064... The following quantities of the above products were exported :—Coal products, not dyes : Aniline oil and tolui- dine, December 247,212 lb., completed year 1915 2,872 952 lb. (1,981,4441b. in 1914); anthracene, nil and 787,9501b. (633,407 1b.); benzol and toluol, 630,813 galls, and 7,334,436 galls. (4,163,773galls.); carbolic acid, 9,127 cwt. and 145,842 cwt. (130,412 cwt.); caol tar, crude, 1,808 cwt. and 23,626 cwt. (48,011 cwt.); ditto, refined and varnished, 128,292 galls, and 2,536,821 galls. (2,677,453 galls.); naphtha, 35,065 galls, and 412,296 galls. (391,409 galls.); naphthalene, 2,963 cwt. and 76,985 cwt. (60,903 cwt.); pitch, 631,082 cwt. ■and 5,295,357 cwt. (7,246,977 cwt.); tar oil, creosote, etc., 4,340,939 galls, and 35,697,286 galls. (31,146,740 galls.); other sorts, 24,823 cwt. and 469,228 cwt. (602,576 cwt.); coal tar dye stuffs, 3,057 cwt. and 36,771 cwt. (46,031 cwt.); Exports of sulphate of ammonia in 1915 were as follow :— Value. Quantity. 1914. Tons. 3,417. 2,486.. 64,149. 5,060.. 54,869. 87,776.. 1915. Tons. To— Germany.......... France ............ Spain and Canaries. ..... Italy.............. Dutch East Indies ., Japan ............ United States of America 43,601. British W. India Islands (including Bahamas) and British Guiana....... 11,990... Other countries ...__...... 39,993... 73,801 Total ..... ... 191 I. £ 42,967. 29,635. 774,201. 62,743. 1915. £ .. 152,944 . 934,981 . 93,900 .1,275,102 10,537.-1,077,438... 128,576 16,377... 516,808... 213,^59 11.430.. 68.370.. 7,071 . 93.967.. . 645,408. 12,755... 141,234 178,215 ------ 477,119... 994,033 313,341 . 291,308..3,767,553..3,971,613