2058 THE NEW ZEALAND GAZETTE. [No. 94

No. 13108.—22nd October, 1900.—JOHN HENRY GAY, of Oamaru, New Zealand, Quarry-manager. Improved reversing travelling stone-sawing machine.

Claims.—(1.) In a travelling stone-sawing machine, the method of placing the saws at one end of a truck so as to cut vertically flush with the front of same, combined with the method of reversing the truck, and consequently the saws with it, so that the saws enter each other’s cut and cut back vertically to the back end of the cuts, substantially as described and shown, and for the purposes as set forth. (2.) In combination, on a mass of stone suitable for sawing, A, a truck B, B¹, with arrangements for turning same and lifting when necessary, D, D¹, E, E¹, E³, all substantially as described and explained, and as illustrated in the drawing.
(Specification, 2s. 6d.; drawings, 1s.)

No. 13109.—25th October, 1900.—WILLIAM GEORGE TILLEY, of Wanganui, New Zealand, Bookbinder. An improvement in ruling-machines.

Claims.—A striker-frame holding one or more pen-racks, for use in conjunction with a paper-ruling machine. A striker-frame holding one or more pen-racks, having the ends of same fitted to slot in striker-frame, and adjustable to any distance apart, in connection with a paper-ruling machine. A striker-frame holding one or more pen-racks, having on one side a stud fixed, and connected with a lever f fixed to a cross-head on frame of machine, to lift the pen-racks and striker-frame, the same having set-screw at the end of same to regulate the pressure, in conjunction with a paper-ruling machine, substantially as described in the drawings and specifications.
(Specification, 1s. 9d.; drawings, 1s.)

No. 13112.—29th October, 1900.—THE BRITISH WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY, LIMITED, of Westinghouse Building, Norfolk Street, Westminster, England, Manufacturers (assignees of Percy Holbrook Thomas, of 4516, Forbes Street, Pittsburg, Pennsylvania, United States of America, Electrical Engineer). Improvements in means for protecting electrical apparatus from abrupt changes in static potential.

Claims.—(1.) For electric circuits, a protecting device comprising one or more series gaps, one or more gaps shunting one or more impedance bodies, and an impedance body in series with the gaps, substantially as described. (2.) For electric circuits, protecting devices arranged and operating substantially as described with reference to the drawings.
(Specification, 5s. 3d.; drawings, 1s.)

No. 13113.—29th October, 1900.—ROBERT TURNBULL, of Willis Street, Wellington, New Zealand, Electrical Engineer. Improved means for conveying electrical energy to dredges or other floating vessels and to portable machinery.

Claims.—(1.) In means for conveying electric power from the source of supply to movable machinery, a flexible suspender cable that is led from a support to the machinery to be operated and at each end provided with counterweights whereby it may be kept taut, means whereby such suspender cable may be lengthened or shortened, and means depending from such cable for carrying electric conductor-wires, as set forth. (2.) A suspender cable such as that referred to in claim 1, in combination with a number of carriers or spreaders mounted thereon, such carriers or spreaders being made of any suitable insulating material, and so disposed and arranged as to carry electric conductor-wires in such a manner as to prevent them coming in contact with each other, as specified, and for the purposes set forth. (3.) A suspender cable that is led from a carrying support to the machinery to be operated, and provided with counterweights at each end whereby the cable may be kept taut, and with means whereby such cable may be lengthened or shortened as the machinery is moved about within a limited area, in combination with an electric or other signal that will be automatically caused to sound when the counterweights have been pulled to their highest positions, as specified.
(Specification, 5s. 3d.; drawings, 1s.)

No. 13120.—31st October, 1900.—WILLIAM ANDERSON, of 44, Mill Street, Pyrmont, near Sydney, New South Wales, Engineer. Improvements in sheep-trucks.

Claims.—(1.) In a railway sheep-truck, a grill consisting of a rigid frame with a series of parallel bars, either rigid or flexible, capable of being raised and lowered at will, substantially as described, and as illustrated in the drawings. (2.) In a railway sheep-truck, the combination of a grill consisting of a rigid frame with a winding-mechanism of the nature and for the purpose substantially as set forth.
(Specification, 2s.; drawings, 1s.)

No. 13121.—31st October, 1900.—JOHN HENRY COOKE, of Ivanhoe, Francis Street, Bairnsdale, Victoria, Pianoforte-tuner, and JOHN STUART HOWARD HAMMOND, of York Street Sale, Victoria, Financier. An improved non-puncturable pneumatic tire for the wheels of cycles and other road vehicles.

Claims.—(1.) A non-puncturable pneumatic tire for the wheels of cycles and other road vehicles, having an outer cover lined with layers of closely woven textile materials impregnated with resin, substantially as and for the purposes described and explained. (2.) In a non-puncturable pneumatic tire for the wheels of cycles and other road vehicles, an outer cover first lined with canvas, then with a number of thicknesses of linen and unbleached calico, and then with a final layer of canvas, the whole of said textile materials being impregnated with resin, substantially as and for the purposes described and explained.
(Specification, 2s. 3d.)

No. 13123.—31st October, 1900.—WILLIAM BRADLEY, of Ascot Vale, South Australia, Plumber. Improvements in acetylene-gas generators.

Claims.—(1.) In acetylene-gas generators, a carbide chamber or chambers such as E, set at an angle of 45° or thereabouts, said chambers for the most part being submerged in water, and having an opening and cover at the bottom end, whilst the top is provided with a water-supply-pipe opening such as O2 and a gaspipe such as G, substantially as described and illustrated, and for the purposes set forth. (2.) In acetylene-gas generators, a carbide-cartridge such as F, provided with open or perforated division-plates such as F1, a longitudinal tunnel such as F2, and a splash-trough such as f2, substantially as described and illustrated. (3.) In acetylene-gas generators, comprising the carbide-chamber and the carbide-cartridge as above claimed, a sleeve such as F4 for the reception of the carbide-cartridge, substantially as described and illustrated. (4.) In acetylene-gas generators as described, the combination of an inlet-cup such as M and a flexible pipe such as N, with a weight-governed lever L, in connection with the supply of water to the carbide, substantially as described and illustrated. (5.) In acetylene-gas generators, a test-pipe such as H, provided with a test-cock H1, the said pipe being in direct communication with the gaspipe G or carbide-chamber E, as and for the purposes set forth. (6.) In acetylene-gas generators provided with carbide-chambers as above claimed, the pipe or pipes such as O leading from the reservoir through the interior of the body of the appliance and entering the carbide-chamber at its upper end, an extension of the said pipe or pipes being open above the water-level and outside of the generator at O1 for safety purposes, the whole constructed and arranged in such a manner that the water comes into contact with the bottom carbide-compartment, and from thence into the superimposed compartments in regular order, as described and illustrated, and for the purposes set forth. (7.) The described acetylene-gas generator, substantially as illustrated, as and for the purposes set forth, as a combination of parts.
(Specification, 8s. 3d; drawings, 2s.)

No. 13124.—31st October, 1900.—CHARLES STANLEY, of 1631, McAllister Street, San Francisco, California, United States of America, Mechanical Engineer. Improvements in air-ships.

Claims.—(1.) In an air-ship, a buoyant structure having one or more end propellers, and also vertically-acting propellers for transmitting ascensional and descensional force, and provided further with a series of side planes pivoted along each side, and connected together for simultaneous adjustment. (2.) In an air-ship, the combination with a buoyant shell of a series of side planes, arranged along the side of the ship in a normal horizontal line and substantially continuous, such planes being independently pivoted, and connected together so as to be simultaneously and pivotally movable. (3.) In an air-ship, a buoyant shell having a gas-space separated from an accommodation-space below, in combination with parachute-tubes extending vertically through the gas-space, and parachutes adapted to be concealed in folded form within such tubes, and to expand above said tubes and the shell. (4.) A hollow buoyant hull for an air-ship, provided with a double partition which divides the interior into a main gas-space, an accommodation-space, and an intermediate gas-expansion space, the latter communicating with the main gas-space, and valves controlling the communication.
(Specification, 8s.; drawings, 2s.)