Aug. 22.] THE NEW ZEALAND GAZETTE. 2659

station-indicator for enabling several rows of stations to be printed on the bands, while only one is in view at a time, all substantially as set forth.

(Specification, 5s. 6d. ; drawing, 1s.)

No. 21749.—6th September, 1906.—FRANCIS ADOLPHUS PIM, of 1 Frederick Street, Glenferrie, Engineer; and WILLIAM HENRY BLAKELBY, of 120 Lonsdale Street, Melbourne, Sawmaker, both in County of Bourke, Victoria, Australia. A double-action lift and force pump.*

Claims.—(1.) In a double-action lift and force pump, the pump-barrel a, with reciprocating plunger b, working in combination with the inlet-valves d d and outlet-valves e e, substantially as described and illustrated by the drawings. (2.) In a double-action lift and force pump, consisting of the combination of parts as set forth in the first claim, together with the tee-pieces shown in Fig. 2, the elbows and screw-couplings before referred to, substantially as described and illustrated by the drawings. (3.) In a double-action lift and force pump, the combination and arrangement of the several parts as set forth in the first and second claims, the whole comprising our double-action pump, substantially as set forth and described and illustrated by the drawings.

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

No. 21759.—10th September, 1906.—THOMAS KEATS, of Sheffield, New Zealand, Farmer. An improved construction of reel or frame for holding fencing-wire or the like.*

Claim.—The improved reel or frame for fencing-wire or the like, constituted by sides composed of crossed battens, and joined together by bolts extending across between the corresponding members of the sides and by a plate encircling the bolts and gripped between the sides, such plate being so arranged as to leave a space between its ends, the whole being adapted to be mounted upon a central axle, substantially as specified.

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

No. 21781.—11th September, 1906.—HUGH LAING MAINLAND, of Burkes, Dunedin, New Zealand, Mechanical Engineer. Improvements in animal-traps.*

Claims.—(1.) In animal-traps, in combination, a barrel-shaped spiral spring capable of sliding up one side of the jaws, said spring being formed wider at its upper end for convenience of the fingers in setting, with a chain and tethering gear arranged to tighten the other side of the said jaws when the trap is being pulled from the tethering-peg, all substantially as described and explained and as illustrated in the drawing. (2.) In an animal-trap, a spring ending in loops fitted to a ring-bolt capable of being bent back when closed, thus taking off the power of the spring from the jaws, substantially as set forth. (3.) In any spring-jaw trap, a chain attached to one jaw, passing through a ring in the opposite jaw to the tethering gear, all substantially as set forth. (4.) In any spring-jaw trap, a chain passing through rings in both jaws to the tethering gear, all substantially as set forth. (5.) In spring-jaw traps, spring tethering and swivelling gear, all substantially as set forth. (6.) In ordinary spring-jaw traps, a spiral reinforcing spring to strengthen same, substantially as set forth.

(Specification, 4s. ; drawing, 1s.)

No. 21807.—20th September, 1906.—Dr. ALEXANDER JUST, of No. 5 Lipot körut, Budapest, V. (Hungary), Chemist; FRANZ HANAMAN, of No. 80 Vádzi körut, Budapest, V. (Hungary), Chemical Engineer; the firm VEREINIGTE GLÜHLAMPEN AND ELECTRICITÄTS-AKTIE-N-GESELLSCHAFT, a corporation duly organized under the laws of Hungary, with headquarters at Ujpest, near Budapest (Hungary); and IGNAZ SALZMANN, of No. 14 Favoritenstrasse, Vienna, IV. (Austria), Merchant. New and useful improvements in and relating to the manufacture of incandescing filaments for electric lamps.

Claims.—(1.) Process for the manufacture of electrical incandescing filaments of pure tungsten or molybdenum, or alloys of these metals, which consists in starting with filaments of carbon coated with tungsten or molybdenum, or with filaments consisting of carbon and the said metals, and provided with a coating of the same, dissolving the carbon and eliminating the same. (2.) Process for the manufacture of electrical incandescing filaments of pure tungsten or molybdenum, or alloys of these metals, in accordance with claim 1, the said process being characterized by the fact that the metal-coated carbon filaments of pure carbon or of carbon containing metal are submitted to a high temperature under the influence of the electric current, an atmosphere of hydrogen, and in the presence of oxidizing gases or vapours, whereby the dissolving of the carbon-core and the expulsion of the dissolved carbon are effected in quick succession, during one proceeding, within the shortest time. (3.) Process of manufacture of electrical incandescing filaments, in accordance with claim 1 or 2, the said process characterized by the fact that it is effected at a reduced pressure. (4.) As a new article of manufacture, the electrical incandescing filaments as produced by the process claimed in the claims 1 to 3.

(Specification, 8s. 3d.)

No. 21840.—25th September, 1906.—WILLIAM GEORGE RICHARDSON, of “Kenilworth,” 21 Upper Vincent Street, Auckland, New Zealand, Hemp Expert. An improved method for the treatment of Phormium tenax waste, for the purpose of making felt (that is, the short fibres and dust not hitherto put to any industrial or economic use—viz., that residue lower than spinable tow).*

Claims.—(1.) Crimping the waste of Phormium tenax, that is, the short fibres not hitherto put to any industrial or economic use—viz., that residue lower than spinable tow. (2.) Treating the said crimped fibres in the manner for the purpose described, and with the aforementioned substances, under heat and pressure. (3.) Joining the several felted and prepared pressed sheets of said fibres together, one over the other, in such a manner that the heat and adhesive properties of the aforementioned substances with the said fibres will unite in forming them, in a suitable mould, into one condensed sheet. (4.) Forming the several felted and prepared pressed sheets of said fibres together, preparatory to passing them between steam-heated rolls, to form an endless sheet.

(Specification, 3s. 9d. ; drawing, 3s.)

No. 21842.—28th September, 1906.—CARL AUGUST NIELSEN, Fish-trawler, of Port Ahuriri, New Zealand; and ROBERT SAMUEL ALWARD, Fish Merchant, of Wellington, New Zealand. An improved trawling-net.*

Claims.—(1.) In trawling-nets of the class described, a forward extension or hood-piece extending forwardly from the front upper edge of the net to a position in front of the shearboards, substantially as specified. (2.) In trawling-nets of the class described, the combination with the forward extension claimed in the preceding claim of wing-portions depending from the edges thereof, and increasing in depth from nothing at their forward ends to the depth of the shearboards at their rear ends, substantially as described.

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

No. 21880.—5th October, 1906.—CARL ALBERT SCHAUER, of 30A Majoribanks Street, Wellington, New Zealand, Chief Inspector, Public Health Department. Improvements in fumigating apparatus.*

Claim.—A fumigating apparatus, comprising in combination an upper part connected by a hinge to the lower part, a dome-shaped top to the lamp, whereon a wick tube is placed at a higher level than a screw-cap used for filling the lamp with spirits, and a bottom to the lamp of greater diameter than the upper part thereof, substantially as set forth.

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

No. 21892.—8th October, 1906.—WILLIAM ERNEST HUGHES, of Queen’s Chambers, Wellington, New Zealand, Registered Patent Agent (nominee of John Freeman Sicely, Surveyor, and George Cummins, Coachbuilder, both of Marton, New Zealand). Improved method of and means for use in preventing spontaneous combustion in bales of wool or other baled goods.*

Claims.—(1.) A method of extinguishing fires in baled goods, the same consisting in introducing into such goods