3

H.—2

801. (L.E.) 12th April. Thomas Alva Edison, of Menlo Park, New Jersey, in the United States of America.—lmprovements in means for indicating and regulating the current of electrical generators for supplying electric lights and other purposes. 802. (L.E.) 12th April. Donald McKenzie, of No. 48, Post-office Place, Melbourne, in the Colony of Victoria, Agent.—lmprovements in lubricating cups. 803. (L.E.) 12th April. James McFablane Eobison, Thomas Buchanan Campbell Eobison, and Heney Dodds, trading as " Eobison Brothers and Company," at Flinders Street West, Melbourne, Victoria, Engineers. —An improvement in centrifugal pumps. 804. (L.E.) 12th April. James Howaed, Edwaed Tenney Bousfield, and Heney William Gibbs, all of Bedford, England.—lmprovements in harrows. " 805. (L.E.) 12th April. The Gulches Eleoteio Light and Powee Company (Limited), of the City of London, England. —Improvements in electric lighting apparatus. (E. J. Giilcher.) 806. (L.P.) 17th April. Thomas Claeke Jenkins, of the City of Wellington and Colony of New Zealand, Clerk.'—An invention for registering purposes, to be called a " Multiplex Eegistrar." 807. (L.P.) 18th April. William Cook Dean, of Christchurch, in the Colony of New Zealand, Tinplate-worker.—An invention for turning at one operation the raw edges of sheet-tin, copper, brass, or other metal into a rolled form, without the use of wire, and for affixing two edges of said metal together in such a manner as to dispense with the necessity of their being soldered. 808. (L.E.) 14th April. The Gulchee Elbcteic Light and Powbe Company (Limited), of the City of London, in England.—lmprovements in magneto- and dynamo-electric machines. (E. J. Giilcher.) 809. (L.P.) 20th April. Waltee Booth, of Oamaru, in the Colony of New Zealand, Commission Agent, and Geoege Booth, of Oamaru aforesaid, Carpenter. —An invention of a drip-stone filter, for effectually removing all impurities and discolorations from water used for domestic or manufacturing purposes, and imparting to the water a palatable and beneficial trace of lime, and keeping the water perfectly cool. 810. (L.P.) 20th April. Waltee Geeenshields, of Auckland, in the Colony of New Zealand.— An-invention for a suspender, known as the "Diamond Suspender." 811. (L.P.) 17th April. John Joseph Howaed, of the City of Auckland, in the Provincial District of Auckland and Colony of New Zealand, Painter.—An invention for mixing or gauging mortar, cement, concretes, asphalting or other such substances, for erecting buildings, and for laying down roads, streets, tramways, pathways, kerbs, channels, and other like purposes, called a " Concrete- or Mortar-mixer." (Not proceeded with.) 812. (L.P.) 20th April. Aechibald Donald, of Palmerston, in the Provincial District of Otago and Colony of New Zealand, Blacksmith. —A machine called a " phosphorizing grain machine:" an invention for the purpose of effectually poisoning grain with phosphorus for the destruction of rabbits. 813. (L.P.) 14th April. Eeedeeick Beadey, of Pahautahanui, in the Provincial District of Wellington and Colony of New Zealand, Sheep-farmer.—A mechanical gangway for sheepdipping. (Not proceeded with.) 814. (L.P.) 26th April. David Steang, of Invercargill, in the Colony of New Zealand, Coffee and Spice Merchant.—lmprovements in apparatus for roasting chicory, cocoa, and all like substances, for drying grain of all, descriptions, and for roasting or drying any and every other substance which may be roasted or dried by means of this apparatus. 815. (L.E.) 23rd April. Paul Jablochkoff, of Paris, in the Bepublic of France, Engineer.— Improvements in dynamo-electric and electro-dynamic machines. 816. (L.E.) 23rd April. The Phosphoe-Beonze Company (Limited), of London, England.—■ Improvements in the manufacture of silicious copper and silicious bronze, particularly suited for making electric conducting wires. (Lazare Weiller's.) 817. (L.E.) 23rd April. The Electeo-Amalgamatoe Company (Limited), of Tower Chambers, Finsbury Pavement, in the City of London, England.—An improved method of abstracting gold and silver from their ores by the combined action of electricity and mercury. , (B. Barker.) 818. (L.E.) 23rd April. Guy Huggins Gaednee, of Bourke Street, Melbourne, in the Colony of Victoria, Merchant. —Improvements in furnaces for the manufacture of bar iron and blooms. 819. (L,8.) 23rd April. James Edwaed Heney Goedon, of Kensington, in the County of Middlesex, England.—lmprovements in dynamo-electric machines. 820. (L.P.) 30th April. Alfbed William Chatpield, of Auckland, in the Provincial District of Auckland, New Zealand.—A base for artificial teeth, known as "The Triumph Celluloid Base." 821. (L.P.) 4th May. Thomas Johnson Thompson, of Campbelltown, in the Provincial District of Otago and Colony of New Zealand, Marino Surveyor.—An improvement in the manufacture of hydraulic cement. '822. (L.E.) Ist May. David Lindsay Waugh, of Sydney, in the Colony of New South Wales, Engineer. —Improvements in machinery for excavating and removing earth. 823. (L.E.) Ist May. Geoege Eichaed Dibbs, a Member of the Legislative Assembly of New South Wales, and Feedeeick Hugh Thomas, Civil Engineer and Architect, both of Sydney, -New South Wales.—An improvement in the manner of manufacturing Portland cement, to be called "Australasian Portland Cement." 824. (L.P.) 10th May. Walteb Booth, of Oamaru, in the Provincial District of Otago, and Colony of New Zealand, Commission Agent, and Geoege Booth, of Oamaru, aforesaid, Carpenter.— An invention for drilling stone, for the purpose of making the hollow drip filters described in an application for letters patent for a drip-stone filter, for effectually removing all impurities and discolorations from water used for domestic or manufacturing purposes, and imparting to the water a palatable and beneficial trace of lime, and keeping the water perfectly cool.