Mar. 11.] THE NEW ZEALAND GAZETTE. 781

(5.) The general combination and arrangement of the several parts forming a complete steam-generator, substantially as described, and as illustrated in the drawings.

(Specification, 6s. 6d.; drawing, 2s.)

No. 25509.—27th January, 1909.—RANSOME INTERNATIONAL CONDUIT COMPANY, a New York State corporation, located and doing business at No. 11 Broadway, Manhattan, New York, United States of America, Manufacturers (assignees of Ernest Leslie Ransome, of Westervelt and Fourth Avenue, Tompkinsville, New York aforesaid, Civil Engineer). Improvements in the construction of concrete work.

Claims.—(1.) The method of forming and dividing concrete courses composed of a main body and an outer finish, which consists in synchronously moulding and finishing both the main body and the outer finish progressively with the formation of the course, forming a broad kerf in the body of the course, filling the kerf with a finer-grade material and forming a narrow clear-cut kerf in the finer-grade material. (2.) The method of forming concrete courses composed of a main body and an outer finish, which consists in synchronously moulding and finishing both the main body and the outer finish progressively with the formation of the course. (3.) The method of dividing concrete courses during the formation thereof, consisting in forming a broad kerf in the course, filling the same with a finer-grade material, and forming a narrow clear-cut kerf in the finer-grade material. (4.) A mould for concrete work having a top-trowelling and compression-wall and side walls connected to move with the mould as a part thereof, the bottom of the mould being open, means on the mould for forming a relatively broad kerf adapted to be filled with a finer-grade material, and means on the mould to form a relatively narrow kerf in the said finer-grade material.

[NOTE.—Here follow eleven other claims.]

(Specification, 10s.; drawing, 3s.)

No. 25510.—30th January, 1909.—JOHN FORSTER ROSS, of 560 King Street West, Toronto, Ontario, Canada, Can-manufacturer. Self-sealing cans.

Claims.—(1.) In a self-sealing can, a body portion 1 having an annular belt 7 bulging slightly inwardly, said belt having its inner surface burnished free from irregularities, and a cover 12 having the outer surface of its flange portion 14 burnished free from irregularities and adapted to contact with the smooth surface of said belt in the body portion.

[NOTE.—Here follow four other claims.]

(Specification, 7s.; drawing, 2s.)

No. 25511.—2nd February, 1909.—INTERNATIONAL TYPE-WRITER COMPANY, a corporation duly organized and existing under the laws of the State of Maine, and having its principal place of business at 134 Monroe Street, in the City of Chicago, County of Cook and State of Illinois, United States of America (assignees of Charles Sparrow Nickerson, President of the company above mentioned). Improvements in typewriting-machines.

Extract from Specification.—This invention relates to a novel typewriting-machine which embraces as its general features a platen or support against which the paper rests in the operation of printing, a horizontally arranged sector-shaped paper-holder to the curved margin of which the paper is secured, and which is adapted to oscillate on a vertical axis to move the paper past the printing-point of the platen for letter-spacing, and has vertical movement to shift the paper vertically for line-spacing, together with key-levers, and oscillating type-bars which are actuated by the key-levers, and carry types, through which the printing is effected.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, £5; drawing, 5s.)

No. 25512.—2nd February, 1909.—JOSEPH FRANCIS STUD-HOLME, of Ruanui, Wellington, New Zealand. An improved rotary engine.

Extract from Specification.—According to the typical method of carrying out my invention I provide the engine with a ring-shaped chamber in which works a rotary piston. This chamber is divided into two equal parts by means of slides which slide backwards and forwards, being closed by a spring or other suitable means and opened by means of a piston during its travel. Suitable inlet and exhaust ports are provided and means furnished for enabling the co-operation of the parts to be very accurately synchronized.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

Specification, 6s.; drawing, 2s.)

No. 25520.—3rd April, 1908.—GODFREY BENINGTON JOHNSON, of 8 Victoria Street, Westminster, London, England, Engineer. An improved machine for shearing metal sheets.

[NOTE.—This is an application under the international and intercolonial arrangements, the date given being the official date of the application in Great Britain.]

Claims.—(1.) A machine for shearing metal sheets to rectangular form without the necessity of turning over or slewing round the work between successive stages of the shearing operation, comprising a double-edged main knife adapted to coact simultaneously with both members of a pair of bed-cutters forming the opposed lateral edges of a pair of tables disposed in one horizontal plane at opposite sides of said knife; two pairs of auxiliary knives each situated at one end of the main knife, the members of each pair being arranged on opposite sides of and at right angles to the main knife so as to be adapted to coact with bed-cutters forming the corresponding end edges of the respective tables; and stops adapted to serve as guides for the work on the tables, disposed in rows parallel to the main knife and at distances therefrom and from the auxiliary knives corresponding to various widths and lengths of sheet to be produced, substantially as set forth.

[NOTE.—Here follow three other claims.]

(Specification, 16s. 6d.; drawing, 8s.)

No. 25521.—4th February, 1909.—JOHN GEORGE HENRICH, of Milton House, 5 Clifton Road, Camden Square, London, England, Merchant. Improvements in valved stoppers for siphon and like bottles.

Claims.—(1.) A valved stopper consisting mainly of a stopper-body made in two hollow parts adapted to be detachably secured together, a valve-body arranged axially movable in said stopper portion and formed with an annular groove, and an opening or openings leading to a passage extending to the top of the valve-body, and a resilient ring arranged partly gripped between said parts when these are secured together and partly fitting within the annular groove formed in the valve-body, substantially as and for the purpose described.

[NOTE.—Here follow four other claims.]

(Specification, 7s. 6d.; drawing, 2s.)

No. 25523.—4th February, 1909.—EDWARD BRICE KILLEN, of 52 Queen Victoria Street, London, England, Engineer. Improvements in or relating to rubber tires and their attachment to wheels.

Claims.—(1.) In rubber treads and their attachments, constructing the rim with holes of dumb-bell formation, substantially as and for the purposes described, and illustrated on the sheets of drawings. (2.) In rubber treads and their attachments, constructing the rubber tire with studs of dumb-bell formation and having air-spaces on the underside thereof, substantially as and for the purposes described, and illustrated on the sheets of drawings. (3.) In rubber treads and their attachments, the combination of an endless preferably weldless truly circular binding-rim with suitable dumb-bell perforations, and a rubber tread having a single row of pneumatic projections of dumb-bell formation and which pass through the corresponding holes or perforations in the said binding-rim and all fitted to the wheel proper, the base of rubber tread being always under compression, making chambers air-tight, and held in position by suitable bolts and tapped steel disc, all substantially as and for the purposes described, and illustrated on the sheets of drawings.

(Specification, 8s.; drawing, 2s.)