Monthly Patent List.

The dates given are the dates of the Official Journals in which acceptances of the Complete Specifications are advertised. Complete Specifications thus advertised as accepted are open to inspection at the Patent Office immediately, and to opposition within two months of the said dates.

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I.-GENERAL PLANT, APPARATUS, AND MACHINERY.

APPLICATIONS.

14,736. G. F. Redfern.-From W. P. Abell, British Guiana. Centrifugal machines. September 18.

14,786. E. de Pass.-From G. Lelièvre. Means for raising, conveying, and projecting liquids by compressed air. September 19.

14,865. C. W. Guy. Improvements in and relating to evaporating apparatus, also applicable to steam generators. September 20.

14,894. T. Parker. See Class XI.

14,951. E. Ackroyd.-From E. Ackroyd, New Zealand. Improvements in filters. September 23.

14,958. J. Hodgkinson. Mechanical stokers, and apparatus connected therewith. September 23.

15,124. R. C. A. Banfield.-From C. Linde, Germany. Method and means for refrigerating and drying air. September 25.

15,229. P. Colligan. Apparatus for gauging liquors whilst boiling. September 27.

15,432. R. Marsden and J. Pickard. Improvements in condensers. October 1.

15,867. C. Thompson. Improvements in gas furnaces. October 9.

16,010. J. Fitton. An anti-corrosion composition for retorts used for evaporating acids and other similar purposes. October 11.

16,037. H. H. Lake.-From C. A. Catlin, C. S. Sweetland, and R. Cox, United States. An improved method of charging liquids with gas. Complete Specification. October 11. 16,063. G. Rose. Apparatus for pumping, raising, or forcing liquids, air, or gases. October 12.

16,099. P. Nézeraux. Centrifugal pumps, compressors, and blowers. October 12.

15,229. J. Newton and D. A. Quiggin. Coiled tubular heating or cooling surfaces for apparatus for condensing steam, heating or cooling fluids, and evaporating. September 25.

15,495. J. Hilton, E. Jackson, and G. C. Hilton. Furnaces for economising fuel and consuming smoke. October 9. 16,372, H. Paplett and J. L. Rigg. Apparatus for distillation and liquefaction of condensible gases. October 16. 16,443. L. Johnson and J. Powell. Apparatus for charging furnaces or for analogous purposes. September 25.

16,535. T. Gaunt and E. H. Clapp. Apparatus for evaporating, distilling, refining, or concentrating liquids. October 2.

16,726. J. Cooper. Blast or air supply pipes for gas producers and other furnaces. October 16.

17,425. J. Buchanan. Fluid pressure and vacuum gauges. September 25.

17,564, Sir L. Bell, Bart. Evaporating brine and other solutions. October 9.

18,085. A. E. Tavernier and E. Casper. An improved pressure gauge. October 16.

18,177. H. R. Gregory and G. MacDonald. Manufacture of filtering material applicable to the filtration and purification of water, sewage effluents, saccharine juices, alcoholic liquors, and other liquids and fluids. October 9.

1889.

10,991. P. H. Adams, jun., and O. T. X. Adams. See Class X.

11,020. P. H. Adams, jun., and O. T. X. Adams. See Class X.

12,514. J. Y. Johnson.-From La Compagnie Industrielle des Procédés Raoul Pictet, France. A mixture for use in apparatus for producing cold. October 2.

13,212. R. Reichling. Apparatus for evaporating, cooling, or heating liquids, and for charging gases with vapours. October 2.

II.—FUEL, GAS, AND LIGHT.

APPLICATIONS.

14,644. W. P. Thompson.-From F. P. Dewey, United States. Improvements in or appertaining to the separating and collecting of the solid materials from fume, smoke, or the like. Complete Specification. September 17.

14,686. H. Howell and L. Smith. A new or improved automatic carburettor or apparatus for enriching or generating illuminating gas from volatile liquid hydrocarbons. September 18.

14,715. E. Mansfield. Improvements in oil-gas apparatus. September 18.

14,717. G. W. Macalpine. An improvement in cokeoven valves. September 18.

14,881. A. Kitt. Improvements in gas-making apparatus. Complete Specification. September 20.

14,922. A. Kitson. Apparatus for manufacturing heating gas. Complete Specification. September 21.

14,990. J. R. Wigham. Improving the illuminating power of lighthouses and other places. September 23.

15,106. C. McKenzie Dowie and A. L. Briggs. Improvements in apparatus for carburetting illuminating and other gas. September 25.

15,269. J. Dunn and J. K. Thompson. Improvements in an appliance for economising the consumption of fuel and obtaining greater heat. September 28.

15,409. J. Somerville and S. Cutter. Improvements in apparatus for charging and drawing gas retorts. October 1. 15,421. H. G. F. de Beaumont. Improvements in the manufacture of water-gas. October 1.

15,426. M. A. Morse. Improvements relating to the manufacture of gas and to apparatus therefor. Complete Specification. October 1.

15,500. P. G. Lambert. A device for increasing the illuminating power of gas. October 3.

15,797. J. R. Paisley. Improvements in or connected with apparatus for the manufacture of water-gas applicable for gas engines and other purposes. October 8.

15,983. B. Loomis. Process and apparatus for manufacturing fuel gas. October 9.

16,118. C. Brotherhood. Apparatus for automatically controlling the generation of gas from oil or other liquid fuel. September 25.

16,194. J. H. R. Dinsmore. Manufacture of illuminating gas. September 25.

16,927. R. R. Hutchinson. Generating gas from hydrocarbon oils, and apparatus therefor. October 9.

16,958. J. E. Dowson and A. Dowson. Apparatus for use in the treatment of gas. October 2.

17,738. J. A. Yeadon and R. Middleton. Machinery for manufacturing blocks or briquettes of fuel or materials for smelting, &c. October 16.

COMPLETE SPECIFICATIONS ACCEPTED.

1888.

14,822. O. Imray.-From The Farbwerke vorm. Meister, Lucius, and Brüning, Germany. Production of green and bluish-green colouring matters. October 9.

17,094. C. F. X. Noroy. A new dyeing material, and method of employing the same. October 2.

18,425. S. Pitt.-From L. Casella. Bluish-black colouring matters. October 16.

V.-TEXTILES, COTTON, WOOL, SILK, ETC.

APPLICATIONS.

14,751. I. Smith. Improvements in the treatment of woollen, worsted, back-worsted, unions, and other woven fabrics. September 19.

15,135. J. E. Richardson. Improvements in the preparation or treatment of esparto grass for use in the manufacture of carpets, matting, twine, and other materials. September 25.

15,333. K. T. Sutherland and G. Esdaile. Improvements in the treatment of fibres and fibrous materials made of China grass, flax, hemp, &c., by which means such can be more easily cleansed or bleached. September 30. 15,916. I. Levinstein. See Class XIX.

COMPLETE SPECIFICATIONS ACCEPTED.

1889.

13,173. J. Holden and J. R. Jepson. Manufacture of felt. September 25.

14,316. J. Grunhut, E. Gonty, and F. B. Gonty. Process for waterproofing materials or fabrics. October 16.

VI.-DYEING, CALICO PRINTING, PAPER STAINING, AND BLEACHING.

APPLICATIONS.

14,610. R. Nickels. Improvements in the method of and apparatus for dyeing and otherwise treating cotton and other vegetable fibres in sliver, roving, yarn, or other state of preparation. September 17.

14,710. A. S. Bowden.-From A. Vendôme, France. Improvements in machines for printing designs on paper or other material, applicable to decorating earthenware, china, and other similar articles. September 18.

15,094. R. Loeffler. A new mordant for dyeing vegetable fibres. September 25.

15,671. L. Schreiner. Improvements in bleaching. October 5.

15,881. J. C. Mewburn.-From La Société Grandsire et fils, France. Improvements in apparatus for dyeing skeins. October 9.

15,097. J. R. Wylde, M. J. Hammill, and H. Auer. Separating chlorate of potash (and, if desirable the chloride of calcium or magnesium or other similar salt in the motherliquor) from solutions thereof. October 2.

15,256. A. C. Ponton, B. L. Mosely, and C. Chambers. Crystallisation of silica in a compacted mass. October 16. 15,367. H. W. Wallis. Production of carbonate of soda. September 25.

17,367. T. Parker and A. E. Robinson. Manufacture of chlorine. October 16.

17,447. T. Parker and A. E. Robinson. Manufacture of cyanogen compounds from sulpho-cyanides. October 9. 17,564. Sir L. Bell, Bart. See Class I.

17,569. F. Foster. Apparatus for generating carbonic acid gas. October 16.

1889.

382. M. Williams. Manufacture of barytes. October 16.

8883. C. A. Doremus. Process for removing salts of calcium, magnesium, and other metals from aqueous solutions. September 25.

14,963. H. Stanton. Improvements in fire-resisting floors for buildings. September 23.

14,997. A. Bishop. Improvements in the method of burning lime, and in kilns therefor. September 23.

15,115. W. Joy. Improvements in apparatus for separating imperfectly disintegrated chalk and other matters from slurry prepared in wash mills and other apparatus used for mixing and preparing slurry for the manufacture of cement, and improvements in cement kilns, and in the method of loading or charging such kilns, and improvements in mills for grinding cement, clinker, and other like matters, and in apparatus for separating the finer from the coarser particles of ground cement, clinker, and other like matters; and the treatment of cement, and apparatus for use in connexion with the said treatment. September 25.

15,405. J. C. W. Stanley. Improvements in or relating to the burning of bricks or the like. October 1.

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