1718
THE NEW ZEALAND GAZETTE.
[No. 48

area thereof and to leave spaces at each end of the chamber, a perforated tray extending over the area of the block, a perforated pipe ring encircling within the tray and connected with an oil-supply without the chamber, a pipe ring encircling within the chamber beneath the cover and having perforations in its upper edge, a source of air-compression with which such ring is connected, and means for mixing the gas formed within the carburetter with a further quantity of air in any desired proportion, substantially as specified. (2.) In means for the production of gas from hydrocarbon oils, the combination with a carburetting-chamber constructed in the manner set forth in claim 1, of a mixing-chamber into the bottom of which the gas generated in the carburetter is introduced, and of an air-pipe leading from a source of air-compression also into the bottom of the mixing-chamber, substantially as and for the purposes specified. (3.) The means for the production of gas from hydrocarbon oils, substantially as described and explained, and as illustrated in the drawings.

(Specification, 5s. ; drawing, 1s.)

No. 21640.—16th August, 1906.—WILLIAM HARGREAVES HAMMOND, of 104 Moncur Street, Woollahra, New South Wales, Australia, Builder. Water-tube steam boiler.*

Claims.—The arrangement and combination as above set forth. The arrangements and combination of front of boiler, together with the peculiar construction of water-tube fire, liquid, or other fuel grating. The arrangements and combination substantially as before set forth of the water-tube fire, liquid, or other fuel grating. The arrangements and combination substantially as before set forth, the circular shape of the water-tubes after forming the fire, liquid, or other fuel grating. By the arrangement and combination as before set forth of front of boiler, the arrangements of water-tube fire, liquid, or other fuel grating, together with the half-circular shape of water-tubes after forming the fire, liquid, or other fuel grating, and the arrangement of the two arms or water-holders as marked on plan, as the means of quick generation of steam.

(Specification, 2s. 6d. ; drawing, 1s.)

No. 22024. — 7th November, 1906. — GILBERT THOMAS WILSON, of Broadway, Stratford, Taranaki, New Zealand, Engineering Draughtsman, Public Works Office, Stratford aforesaid, and HARRY DOWNS, of Gisborne, Hawke’s Bay, New Zealand, Farmer. Improvements in railway fish-plates.*

Claims.—(1.) A jointing-device comprising, in combination, a jaw having a pair of projecting lugs adapted to take into holes in the respective parts to be joined, a second jaw having a screw-threaded hole, a bolt passing through a hole in the first jaw and screwing into the threaded hole in the second jaw, substantially as specified. (2.) In jointing-devices, in combination with two parts to be joined, a jaw projecting lugs thereon respectively passing into holes formed in each of said parts, a bolt adapted to pass through a hole in said jaw, the parts to be joined having corresponding semicircular recesses in their ends which together form a hole for the passage of the bolt, and a second jaw having a screw-threaded hole through which the bolt is screwed, substantially as specified.

(Specification, 1s. 9d. ; drawing, 1s.)

No. 22086.—21st November, 1906.—WILLIAM JOHN TEESE, of 80 William Street, Balaclava, Victoria, Australia, Engineer. Improvements in milking-apparatus.*

Claims.—(1.) An improvement in milking-apparatus consisting of a vacuum pump, a pipe from which leads to a milk and vacuum tank and to inner linings of teat-cups, said pipe having cut-off cocks or valves; an air-compression pump, a pipe from which leads to compressed-air chambers around the inner lining of the teat-cups, said pipe having thereon one or more air-pressure regulating-valves and cut-off cocks or valves, all as and for the purposes described, or as illustrated in the drawings. (2.) In improvements in milking-apparatus, a teat-cup having a central hole in its bottom, a fold at its top, an open-bottomed upper circular compressed-air passageway inside said fold, tubular connections through the fold and through the said upper circular compressed-air passageway, said tubular connections communicating with a lower compressed-air ring, air-escape holes in said air-ring, an open-topped metallic casing around said fold, an outward bead on the top of said metallic casing, a bottom piece in said metallic casing, two holes through said bottom piece, one accommo-
dating a milk-outlet tube having at its top a flange and on its bottom a nut, the other a compressed-air inlet tube communicating with the compressed-air chamber, all as and for the purposes described, or as illustrated in the drawings.

(Specification, 7s. ; drawing, 1s.)

No. 22393. — 2nd February, 1907. — WALTER RAGLAN GOVER, of “Cleon,” Wyatt’s Avenue, Burwood, near Sydney, New South Wales, Australia, Corset-maker. An improved spinal corselet.

Claims.—(1.) An improved spinal corselet consisting of a back only with armholes, and an insertion of elastic webbing in the centre of the back so as to form one piece without lacing, as set forth. (2.) An improved spinal corselet consisting of a back only with armholes, and an insertion of elastic webbing in the centre of the back so as to form one piece without lacing, in combination with a cincture such as D, D1, or an abdominal belt such as F, F1, with or without stocking-suspenders, as specified. (3.) The general arrangement, construction, and combination of parts in the improved spinal corselet as set forth, and for the purposes specified.

(Specification, 1s. 9d. ; drawing, 1s.)

No. 22411.—6th February, 1907.—ROBERT LOUIS HOWELL MURRAY, of 193 Karangahape Road, Auckland, New Zealand, Electrician. Improvements in portable acetylene-gas-lamp generators.

Claims.—(1.) The placing of a porous cork at the bottom of the generating-chambers of portable acetylene-gas lamps instead of having an hermetically sealed cap, and supplying the water to the generating-chamber by means of an adjustable tap. (2.) The general arrangement, construction, and combination of parts as set forth in the specification, and illustrated in the drawings.

(Specification, 2s. 3d. ; drawing, 1s.)

No. 22416.—12th February, 1907.—WILLIAM WILKINS, of Nicholson Street, Balmain, Pattern-maker, and JOHN NOBBS, of Granville, Conveyancer, both in New South Wales, Australia. Improvements in the bridge back plates of furnaces.

Claims.—(1.) An improved bridge back plate for a furnace, consisting of a fixed angle plate and a series of adjustable section plates resting thereon, substantially as described and illustrated in the drawings. (2.) In an improved bridge back plate for furnaces, one or more sectional plates capable of being secured on the vertical wall of a fixed angle plate without the aid of bolts or other binding-device, substantially as described, and illustrated in the drawings. (3.) In an improved bridge back plate for furnaces, one or more adjustable section plates in combination with a fixed lower plate, substantially as described, and illustrated in the drawings.

(Specification, 2s. 6d. ; drawing, 1s.)

No. 22603.—27th March, 1907.—NICHOLAS OLSEN, of West Plains, Southland, New Zealand, Labourer. Improved means and apparatus for opening and shutting gates.

Claims.—(1.) Apparatus for the purpose indicated, consisting of the parts arranged, combined, and operating substantially as and for the purposes specified, and as illustrated in the drawing. (2.) In apparatus for the purpose indicated, in combination with a gate, a rocking-plate and triple cranks one upon each side of the gate, one member of each triple crank being connected to the rocking-plate by wires, rods, or the like, and the other members of each crank being so formed that when one crank is approximately vertical the other is horizontal, whereby when the horizontal crank is turned by a wheel coming in contact with it the gate is opened or closed, as the case may be, substantially as specified and illustrated. (3.) In apparatus for opening and closing a gate, an arrangement wherein the frame-post of the gate is carried upon a rocking-plate, and cranks are connected by wire or the like to said rocking-plate, whereby when the said cranks are operated by a vehicle-wheel the gate is canted and opened or closed as the case may be, substantially as specified and illustrated. (4.) In apparatus such as described in claim 2, the employment of a pintle projecting from the bottom of the frame-post, a block driven into the ground below the frame-post, a rocking-plate hinged to the block and to which