1298
THE NEW ZEALAND GAZETTE.
[No. 42

without addition of a carbonated or hydrocarbonated substance, substantially as described. (5.) The explosive substances substantially as described. (6.) An explosive the combustible element of which is constituted by an azo-compound, or a combination of two nitro-compounds, or of two azo-compounds, or of one nitro-compound and of one azo-compound, substantially as described. (7.) An explosive substance formed of a solution of a nitro- or azo-compound or a binary compound thereof in oil, 10 to 20 per cent.; alkaline chlorate, 80 to 65 per cent.; fecula, starch, or carbon, 10 to 15 per cent.; prepared substantially as described. (8.) An explosive substance formed of a solution of a nitro- or azo-compound or a binary compound thereof in oil, 20 to 30 per cent.; alkaline chlorate, 80 to 70 per cent.; prepared substantially as described. (9.) An explosive substance formed of chlorate of potash, 3,000 parts; oil solution of nitronaphthaline (in equal parts), 400 parts; starch, 600 parts; prepared substantially as described. (10.) An explosive substance formed of chlorate of soda, 800 parts; oil solution of picronitronaphthaline (in equal parts), 200 parts; prepared substantially as described. (11.) An explosive substance formed of chlorate of soda, 750 parts; oil solution of picronitronaphthaline (in equal parts), 200 parts; starch, 50 parts; prepared substantially as described. (12.) An explosive substance formed of chlorate of soda, 300 parts; azobenzol, 70 parts; castor-oil, 30 parts; with or without the addition of starch; prepared substantially as described. (13.) An explosive substance formed of chlorate of potash, 400 parts; picroazobenzol, 60 parts; castor-oil, 40 parts; with or without the addition of starch; prepared substantially as described.
(Specification, 13s.)

No. 17758.—8th April, 1904.—JAMES DICKASON, of Apollo Bay, Polworth, Victoria, Australia, Blacksmith. An improved driving-gear for cycles or other mechanism.

Claims.—(1.) In an improved driving-gear for cycles or other mechanism, a ring having on the periphery thereof external sprockets or teeth and on the interior of the same internal teeth, said teeth being double-shrouded, all as and for the purposes described, and as illustrated in the drawings. (2.) In an improved driving-gear for cycles or other mechanism, a three-legged frame within an internal toothed ring, said frame by studs supporting two pinions and an intermediate wheel, a third pinion being attached to the axle or hub to be driven, all as and for the purposes described, and as illustrated in the drawings. (3.) In an improved driving-gear for cycles or other mechanism, a three-legged frame having a central stud to accommodate an intermediate wheel, two studs at the outer ends of arms on the said frame, said studs being capable of a radial adjustment and a hole in the third arm to accommodate a hub or axle, clips or straps for attaching said frame to the back stay of a cycle or other machine, all as and for the purposes described, and as illustrated in the drawings. (4.) An improved driving-gear for cycles or other mechanism consisting of a ring having on its periphery external sprockets or teeth, on its interior internal teeth, said teeth being double-shrouded in combination with three pinions the teeth of which pass between the shrouds before referred to and engage with the teeth of the ring, an intermediate wheel between the said pinions, one of the pinions being secured to the hub or axle to be driven, a three-legged frame having a central stud to accommodate the intermediate wheel, and two studs at the outer ends of arms to accommodate pinions, a hole through the outer ends of one of the arms for the passage of the hub or axle, all as and for the purposes described, and as illustrated in the drawings.
(Specification, 4s.; drawing, 1s.)

No. 17763.—11th April, 1904.—LOUIS MARKS, of New Plymouth, Taranaki, New Zealand, Tailor. An improved stiffener for the bottoms of the legs of trousers.

Claims.—(1.) A stiffener for the bottoms of the legs of trousers, constructed and operating substantially as specified. (2.) For the purpose indicated, a piece of stiffening-fabric of arc shape and bound around its curved edge, substantially as specified and illustrated.
(Specification, 1s. 3d.; drawing, 1s.)

No. 17764.—11th April, 1904.—GEORGE POWELL, of Flemington, Wanganui, New Zealand, Farm-hand. An improved hanger or dropper for wire fencing.

Claims.—(1.) A fencing-dropper constructed, arranged, and operating as specified and illustrated. (2.) A fencing-dropper formed of wire having single-coil loops, one for each

fence-wire, and having hooks at each end adapted to fit over the top and bottom wires of the fence, the ends of the wire beyond the hooks being adapted to be coiled around the fence-wires, substantially as specified and illustrated.
(Specification, 2s.; drawing, 1s.)

No. 17771.—13th April, 1904.—NIELS HJELTE CLAUSSEN, of 40, Rabbeks Allee, Copenhagen, Denmark, Laboratory Superintendent. Improvements in and connected with the manufacture of English beers or malt-liquors and in the production of pure yeast for use therein.

Claims.—(1.) In the manufacturing of English beers such as ale, stout, and porter, the employment of cultures of the described Brettanomyces in order to produce the peculiar flavour and condition of English beers, substantially as set forth. (2.) In the manufacturing of English beers such as ale, stout, and porter, the proceeding of effecting the primary fermentation of the wort by means of a mixture of yeast and cultures of Brettanomyces, as set forth. (3.) In the manufacturing of English beers such as ale, stout, and porter, the proceeding to add at any stage of cellar-management cultures of Brettanomyces to beer, being primarily fermented in any suitable way as set forth. (4.) In the manufacturing of English beers such as ale, stout, and porter, the process of pasteurising the beer at any stage of manufacturing and then adding cultures of Brettanomyces, substantially as set forth. (5.) As an article of manufacture, culture in wort or other suitable nutritive substrata of the described Brettanomyces.
(Specification, 6s. 6d.)

No. 17776.—14th April, 1904.—THE MORGAN CRUCIBLE COMPANY, LIMITED, of Battersea Works, Battersea, London, England, Manufacturers (assignees of James Charles Fox, of Battersea Works aforesaid, Clerk). Improvements in muffles.

Claims.—(1.) In a muffle, the arrangement of air-passages extending all along the wall thereof and communicating with the atmosphere, the walls of the said passages being perforated in such a manner that the air which enters them will be distributed uniformly throughout the length of the muffle, substantially as described. (2.) In a muffle, perforated air-passages arranged upon the wall of the said muffle, substantially as described, and illustrated in the drawing. (3.) The combination with a muffle provided with air-passages upon its wall of a front having apertures or recesses in it corresponding with such air-passages and designed to receive plugs for controlling the admission of air into and through the said passages, substantially as described.
(Specification, 3s.; drawing, 1s.)

No. 17777.—14th April, 1904.—THE MORGAN CRUCIBLE COMPANY, LIMITED, of Battersea Works, Battersea, London, England, Manufacturers (assignees of James Charles Fox, of Battersea Works aforesaid, Clerk). Improvements in the manufacture of cupels.

Claim.—A cupel, the base or under-side of which is for the greater part of its area hollowed out or recessed so as to be out of contact with the surface or floor upon which it stands, thereby causing the litharge which penetrates the mass, and which with a flat-bottomed cupel would enter the said floor, to flow in a lateral direction, substantially as and for the purposes described.
(Specification, 2s.; drawing, 1s.)

No. 17778.—14th April, 1904.—WILLIAM ERNEST HUGHES, of Queen’s Chambers, Wellington, New Zealand, Patent Agent (nominee of George Westinghouse, of Westinghouse Building, Pittsburg, Pennsylvania, United States of America, Manufacturer). Improvements in fluid-pressure turbines.

Claims.—(1.) A parallel-flow fluid-pressure turbine in which the rotary member is provided with fluid-passages the effective sectional area of which gradually decreases from the entrance to a throat and increases from the throat to the exit so that the propelling fluid gives up a portion of its energy, first by impact, then, on being deflected, by impulse, and finally, after reduction of pressure and increase of speed, by reaction, substantially as described. (2.) A fluid-pressure turbine in which the rotary member is provided with fluid-passages the walls of which gradually converge from the entrance to a throat and diverge from the throat to the exit, the said throat being arranged well behind the centre of deflection so that no expansion can take place until after the fluid has been reversed in direction and all the reactive effect due to expansion is caused to act in the direction of