July 9.] THE NEW ZEALAND GAZETTE. 1587

and the chimney, ports through the chimney below the baffle-plates, a casing surrounding the chimney forming an annular space which receives sparks and débris passing through said ports, and doors at the lower part of the casing for the removal of débris, substantially as specified, and as illustrated in the drawing. (3.) For the purpose indicated, in combination, an exhaust steam-pipe fixed within a chimney and having a telescopic end receiving the upper end of the main exhaust-pipe, baffle-plates between the exhaust-pipe and the chimney, ports through the chimney below the baffle-plates, a casing surrounding the chimney, doors at the lower part of the casing for the removal of débris passing through the ports, and a spray-pipe within the casing for preventing firing of the ashes therein, substantially as specified and as illustrated. (4.) Improved spark-arrester consisting of the parts arranged, combined, and operating substantially as and for the purposes indicated, and as illustrated in the drawings.
(Specification, 4s. ; drawing, 3s.)

No. 15439.—20th September, 1902.—LAWRENCE WILLIAM GRAYSON, of Ludstone Chambers, 352, Collins Street, Melbourne, Victoria, Mining Engineer, and CHARLES STUART CUNNINGHAM, of the same address, professional shorthand-writer. An improved rowing-machine for physical exercise, training, and coaching.*

Claims.—(1.) An improved rowing-machine for physical exercise, training, and coaching, comprising a pair of rotatable handles or oar-looks each mounted upon the horizontal arm of a crank-spindle, whose vertical arm is fitted with a clutch mechanism adapted to engage and release a friction-wheel, the whole being mounted in pivoted casings on each side, substantially as set forth and illustrated. (2.) In a rowing-machine for physical exercise, training, and coaching, an eccentric or roller clutch mechanism attached to a crank-spindle, in combination with a friction-wheel having an adjustable brake-band around its grooved periphery, substantially as and for the purposes specified and as illustrated. (3.) In a rowing-machine for physical exercise, training, and coaching, a pair of pivoted casings having trunnions journalled in bearings in convenient side support, and carrying the mechanism, substantially as and for the purposes specified and as illustrated.
(Specification, 2s. 3d. ; drawing, 1s.)

No. 15449.—26th September, 1902.—JOHN ARMSTRONG, of Mount Roskill, Auckland, New Zealand, Carpenter. Improved means for securing cords to window-sashes and for other analogous purposes.*

Claims.—(1.) In means for securing cords to window-sashes and the like, a pair of metal plates or discs, each provided with a groove across its face and adapted to be secured to the side of the sash with their grooved faces adjacent and with the sash-cord between them, substantially as described. (2.) A pair of metal plates or discs each provided with a groove across its face, one of such discs being formed with a slot through it extending along the groove, while the other disc is formed with knobs projecting from the bottom of its groove, substantially as and for the purposes set forth.
(Specification, 2s. 6d. ; drawing, 1s.)

No. 15461.—1st October, 1902.—WALTER AUGUST THOMSEN, of Rotorua, New Zealand, Painter. Improved means for securing hats to the wearers’ heads.*

Claims.—(1.) In means for securing hats upon the wearers’ heads, pins hinged at one end to one side of the inside of the hat and extending across the width thereof, in combination with means upon the other side of the hat whereby the points of such pins may be locked thereto, substantially as specified. (2.) In means for securing hats upon the wearers’ heads, a plate secured to one side of the inside of the hat, pins hinged to such plate and extending across the width of the hat, a plate secured to the other side of the hat, a flap hinged to such plate and capable of extending inwards, and means whereby such flap may be raised and lowered, substantially as specified. (3.) In means for securing hats upon the wearers’ heads, a plate secured to one side of the inside of the hat, pins hinged to such plate and extending across the width of the hat, in combination with a flap hinged to a plate secured upon the other side of the hat, and with a sliding pin passing through such plate and the side of the hat and adapted to bear against and free the underside of the flap, substantially as and for the purposes set forth.

(4.) The general arrangement, construction, and combination of parts in my improved means for securing hats to the wearers’ heads, as described and explained, as illustrated in the drawings, and for the several purposes set forth.
(Specification, 3s. 3d. ; drawing, 1s.)

No. 15514.—16th October, 1902.—ARTHUR MALDEN, of 108A, Horseferry Road, Westminster, London, England, Journalist, and WALTER JAMES MALDEN, Principal of the Colonial College, of Hollesley Bay, Suffolk, England. Improvements in the process of agglomerating finely divided ore.*

Claims.—(1.) In the process of agglomerating finely divided ore-material into a concrete mass, the addition of a solution of borax. (2.) In the process of agglomerating finely divided iron-ore material into a concrete mass, the production of a plastic mass consisting of ore, clay, lime, and borax which is subsequently moulded under pressure. (3.) A briquette or other lump of finely divided iron-ore agglomerated by the addition of about 6 per cent. of clay, 6 per cent. of lime, and a small percentage of borax, with or without small percentages of carbonates of sodium or potassium.
(Specification, 3s. 3d.)

No. 15941.—5th February, 1903.—GEORGE GARIBALDI TURRI, of Salisbury Building, Queen Street, Melbourne, Victoria, Patent Agent (nominee of Thomas Edwards, of Colorado Springs, Colorado, United States of America, Engineer and Metallurgist). Improvements in rotatable rabbles for furnaces.*

Claims.—(1.) A rabble of the class indicated comprising a foot, and a stem extending downwardly from said foot through the furnace-hearth, and rotatable from below said hearth, substantially as described with reference to Fig. 1. (2.) In combination with the parts comprised by claim 1, means for the introduction of water to the rabble-foot from below the furnace-hearth, substantially as described. (3.) In combination with the parts comprised by claim 1, means for the exit of water from the rabble-foot to below the furnace-hearth, substantially as described. (4.) In combination, the rabble-foot, stem, water inlet and outlet illustrated by firm lines in Fig. 2 (or modified as indicated), substantially as described. (5.) In combination, a downwardly extending rotatable rabble-stem and an upward waterway from an exterior supply-tube to an interior tube within said stem, arranged as described with reference to Fig. 2. (6.) In combination, a downwardly extending rotatable rabble stem and an upward waterway from an exterior supply-tube to an interior tube within said stem, arranged as described with reference to Fig. 3. (7.) In combination, a downwardly extending rotatable rabble-stem and an upward waterway from an exterior supply-tube to an interior tube within said stem, arranged as described with reference to Fig. 4.
(Specification, 3s. 9d. ; drawing, 1s.)

No. 15942.—5th February, 1903.—GEORGE GARIBALDI TURRI, of Salisbury Building, Queen Street, Melbourne, Victoria, Patent Agent (nominee of Thomas Edwards, of Colorado Springs, Colorado, United States of America, Engineer and Metallurgist). Improvements in furnaces for ore-roasting and other purposes.*

Claims.—(1.) In a furnace, the combination, with an elongated hearth, of openings therethrough at intervals lengthwise thereof, to feed air upward, substantially as described. (2.) In a furnace, the combination, with an elongated hearth, of openings therethrough at intervals lengthwise thereof, and means for regulating the supply of air upward through the openings, as described. (3.) In a furnace, the combination, with an elongated hearth, of air-openings at the hearth-sides and air-openings extending downward through the hearth, as described. (4.) In a furnace, the combination, with an elongated hearth, of sleeves extending downward therethrough, with a regulator or slide for each sleeve whereby the supply of air upward to the hearth may be controlled, substantially as described. (5.) In a furnace of the class indicated, the combination, with the hearth, of a series of rotatable rabbles and of air-inlets comprising sleeves extending through and above the hearth, as described. (6.) In a furnace, the combination, with the rabbles, of a line-shaft below the same, gearing connecting the line-shaft and the rabble-spindles, and openings for the purposes set forth in the arch of the furnace, substantially as described. (7.) In a furnace, the combination, with a series of rabbles, of arch-openings elongated and located as and for the purposes set forth, with or without tapered iron boxes as described.