JUNE 22.] THE NEW ZEALAND GAZETTE. 1189

pump-chambers at each end—six pistons, one piston at each end being common to the explosion- and pump-chambers, connecting-rods with oil-grooves cut in them, splash-tanks at each end containing oil, into which the crank-shafts dip at every revolution, thereby splashing oil in every direction, and so lubricating the working-parts, substantially as described. (35.) In a power-propelled vehicle, the combination in a motor having three cylinders with enlarged pump-chambers, pistons common to the explosive and pump chambers, connecting-rods with oil-grooves, crank-shafts, splash-tank at each end for holding oil to lubricate the working-parts, coupling-rods operating the igniting-gear, revolving cam-shaft, cams for operating valves, valves for admitting air to scavenge the cylinder, valves for admitting gas for the explosions and the exhaust-ports, all arranged and assembled substantially as described and shown. (36.) In power-propelled vehicles, in combination, a triple-cylinder motor, each cylinder comprising an explosion-chamber and air-compressors, an electric ignition-gear located between the pistons and operated from the coupling-rod, valves and valve-gear controlling the admission of carburetted vapour and air, a carburetter comprising a spraying-nozzle, gas receiver and reservoir; a governor controlling the admission-valves, a frame carrying the motor seated on flexible and pneumatic cushion-bearings and supports, a variable-speed transmission-gear and a starting-gear, reversible friction driving-clutches located on main axle, friction-clutches arranged in the hubs of main wheels, brake-straps operating on the hubs of said wheels, a front-wheel steering-gear, and front wheels connected therewith, and a body-frame formed of sheet-metal mounted on pneumatic or spring cushions, a lever for controlling the motor transmission-gear, starting-gear, and brakes, and the pliable or pneumatic wheels, all substantially as described and shown.
(Specification, £1 12s.; drawings, £5 5s.)

No. 11705.—12th June, 1899.—JOHN FOSTER STEPHENSON, of Cranmore Street, Glenferrie, Victoria, Moulder. Improvements in or connected with the supporting-frames of bedsteads.

Claims.—(1.) A socket-piece having a cavity to fit upon a bedstead-post, and a box or shoe to receive a rail-end, and means for securing same within the shoe, substantially as and for the purposes set forth. (2.) A socket-piece having a conical cavity, with key-ways and a shoe, substantially as and for the purposes set forth. (3.) A socket-piece having a shoe and a conical cavity with key-ways, in combination with a standard having a cone to correspond with the cavity, and provided with key, substantially as and for the purposes set forth.
(Specification, 3s.; drawings, 5s. 6d.)

No. 11707.—12th June, 1899.—ALBERT EDVARD JENS VALDEMAR JOHAN THEILGAARD, of 30, Wiedeweltsgade, Copenhagen, Denmark, Chemist. Improvement in the process of disvulcanising caoutchouc, indiarubber, gum-elastic, and similar materials.

Claim.—The process of disvulcanising caoutchouc, indiarubber, gum-elastic, and similar materials, characterized by subjecting the vulcanised material to a treatment with sulphites.
(Specification, 1s. 3d.)

No. 11711.—12th June, 1899.—CHARLES WILLIAM CURTIS, of 3, Gracechurch Street, London, England, Explosive-manufacturer, and LEYSHON DAVIES, of Kyles of Bute, Argyleshire, Scotland, Joint Manager of Kames Gunpowder-mills. An improved explosive.

Consists of a mixture of nitrate of potash and carbon in the form of lignite or brown coal, in which is or may be added a small amount of sulphur.

Claim.—An improved explosive compounded as described.
(Specification, 1s.)

No. 11718.—16th June, 1899.—THEODOR TEVLEV, of Kisslovodsk, Terek, Northern Caucasus, Russia, Overseer of Mines. Improvements in explosives.

Claims.—(1.) An explosive consisting of a powder and a liquid, the powder being a mixture of potassium-chlorate with manganese-peroxide or ferric oxide, or both, and the liquid being petroleum or oil of turpentine or a mixture of these, with or without the addition of almond or other aro-

matic oil, substantially as described. (2.) Enclosing the powder in a porous envelope, and impregnating the same with the liquid shortly before use, substantially as described.
(Specification, 3s. 6d.)

F. WALDEGRAVE,
Registrar.

NOTE.—The cost of transcribing the specification, and an estimate of the amount required for copying the drawings, have been inserted after the notice of each application. An order for a copy or copies should be accompanied by a post-office order or postal note for the cost of copying.

An asterisk (*) denotes the complete specification of an invention for which a provisional specification has been already lodged.

The date of acceptance of each application is given after the number.

Provisional Specifications.

Patent Office,
Wellington, 21st May, 1899.

APPLICATIONS for Letters Patent, with provisional specifications, have been accepted as under:—

No. 11185.—25th November, 1898.—WILLIAM HENRY HARTLEY and WILLIAM ADOLPH KÖNEMAN, both of 23, Moorfields, London, England, Civil and Mining Engineers. Improvements in furnaces for roasting ores and the like.

No. 11547.—13th April, 1899.—JOHN MANNERS MORRAN, of Lorne Street, Auckland, New Zealand, Mackintosh-clothing Manufacturer. An improved method of joining seams of mackintosh garments.

No. 11644.—18th May, 1899.—DAVID RANKEN SHIRREFF GALBRAITH, of Ladies’ Mile, Remuera, Auckland, New Zealand, Analytical Chemist. Supplementary treatment of butter.

No. 11658.—23rd May, 1899.—ROBERT MCCULLOCH, Boxmaker, and THOMAS THOMPSON, Manager, both of 53, Esk Street, Invercargill, New Zealand. Improvements in crates for freezing, carrying, and holding rabbits and suchlike.

No. 11671.—5th June, 1899.—ROBERT CRAWFORD, of Feilding, New Zealand, Blacksmith. An improved fencing-tool.

No. 11672.—5th June, 1899.—GEORGE STEVENSON, of 24, Manse Street, Dunedin, New Zealand, Mill-owner. An improvement in steam-engines.

No. 11674.—6th June, 1899.—DAVID WATTS, of 33, Bridge Street, Ballarat, Victoria, Gentleman. Improvements in two-speed gearing for cycles.

No. 11676.—6th June, 1899.—EDMUND RILEY, Jun., of Flinders, Victoria, Telegraph Operator. An improved machine for cutting fern and scrub.

No. 11677.—6th June, 1899.—ALBERT HENDRIK VAN DER VIJGH, of 4, Bosboom, Toussaint Street, Amsterdam, Holland, Timber Merchant, and HENDRIK VAN DER VIJGH, Architect, and GERHARD VAN DER VIJGH, Manufacturer, both of 2, Bosboom, Toussaint Street aforesaid. Improvements in the manufacture of artificial stone.

No. 11678.—6th June, 1899.—BENJAMIN GARVER LAMME, of 230, Stratford Avenue, Pittsburg, Pennsylvania, United States of America, Electrical Engineer. Improvements in systems of electrical distribution and regulation.

No. 11681.—6th June, 1899.—DENIS MADDEN, of Avoca Cottage, Parkes, New South Wales, Gentleman. A new eye ointment.

No. 11685.—6th June, 1899.—FERDINAND HEINRICH DANNHARDT, of 114, Coppin Street, Richmond, near Melbourne, Victoria, Mechanical Engineer, and MELROSE MAILER, of 685, Rathdowne Street, North Carlton, near Melbourne aforesaid, Medical Practitioner. An improved earth- or rock-drill.

No. 11686.—7th June, 1899.—WILLIAM JONES, of Camden Street, Feilding, New Zealand, Contractor. An improved appliance for drawing staples.

No. 11690.—8th June, 1899,—NORMAN ROWE, of 1215, Wood Street, Wilkinsburg, Pennsylvania, United States of America, Electrical Engineer. Improvements relating to the regulation of electro-motive force.

No. 11691.—8th June, 1899.—THOMAS STEEL PERKINS, of Idlewood, Pennsylvania, United States of America, Electrical Engineer. Improved starting mechanism for electric motors.

No. 11695.—8th June, 1899.—WILLIAM ERNEST HUGHES, of 54, Lambton Quay, Wellington, New Zealand, Patent Agent (nominee of Harry Phillips Davis, of 327, Neville Street, Pittsburg, Pennsylvania, United States of America, Electrical Engineer). Improvements in fuse-blocks for electric circuits.