Feb. 9.] THE NEW ZEALAND GAZETTE. 599

No. 28884.—14th December, 1910.—CHARLES JOHN SANDERSON, of Mount Roskill, Auckland, New Zealand, Builder. Improved method of raising or lowering slides or sashes.

Extract from Specification.—The means employed are to install in the box where the weights and cords at present work, or otherwise, plungers or pistons working in casings or cylinders in the manner stated so that by the projection of water, or compressed air, or other suitable force into the foot of the casing or cylinder the plunger or piston will be lifted and by its lift the window sash or slide will be carried up, and by letting the operating force be discharged from the casing or cylinder the window sash or slide will be lowered as may be required. The details of the working and the method of effecting the same are given in the description.

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

(Specification, 6s. 3d.)

No. 28891.—14th December, 1910.—JOHN HERCUS, Agent; ERNEST PEARSON GRAHAM, Engine-driver; and WILLIAM MORTON, Mechanical Engineer, all of the Exchange Court, Princes Street, Dunedin, New Zealand. Improved water-level observer and gauge-cock lubricator.

Claims.—(1.) In gauge-glasses for steam-boilers, the introduction of a dark liquid that does not mix and disperse on contact with water, in the condition of water in a boiler, all substantially as set forth, and as shown on the drawing.

[NOTE.—Here follow two other claims.]

(Specification, 3s. 3d.)

No. 28923.—22nd December, 1910.—ALBERT HOLDEN, of Christchurch, New Zealand, Manufacturers’ Agent (nominee of James Henry Sledon, of 81 Henry Street, Church, Lancaster, England, Engineer, and Henry Barnes, of 41 York Street, Church aforesaid, Manager). Improvements in oil-separators.

Extract from Specification.—The invention consists of a tank or cistern with an outlet-pipe communicating with the lower part of the cistern, and an outlet-tap for the heavier liquid near the top of the cistern, and an outlet-tap for the lighter liquid in the cistern itself and near the top of same, providing means for regulating the flow of either liquid as desired, and a gauge to indicate the levels of the liquids.

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

(Specification, 4s. 3d.)

No. 28924.—21st December, 1910.—ALBERT HOLDEN, of Christchurch, New Zealand, Manufacturers’ Agent. Improved writing-tablet for use in recording telephone messages and the like.

Extract from Specification.—A length of paper wound upon a roller which is revolvably mounted upon the side of a suitable cabinet so that the free end of such paper lies across the face of the cabinet in a convenient position for writing. Extending also over the face of the cabinet and disposed at right angles with respect to the aforesaid paper is another sheet the extremities of which are attached to a pair of parallel rollers so that it may be wound from one to the other as desired. A sheet of carbon paper is interposed between the two papers so that when a message is written upon the one it will also appear upon the other, the paper for the loose notes being drawn through and torn off as required, while the rollers of the recording-sheet are adjusted so as to present a fresh portion each time.

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

(Specification, 3s. 3d.)

No. 28932.—29th December, 1910.—GARDNER TUFTS VOORHEES, of Engineers’ Club, New York, United States of America, Refrigerating Engineer. Multiple-effect gas-compressing process and apparatus.

Claims.—(1.) The process of taking into a chamber, through a valve-governed port therein, low-pressure gas from a source thereof, then taking into said chamber from a higher-pressure source thereof, said higher-presser source being exterior to a gas-compressor, through said port, gas at a higher pressure to join and partially compress the low-pressure gas in said chamber, then further compressing the gas in said chamber and discharging it therefrom through a valve-governed port therein into a compressed gas-receiver by the movement of a piston fitting in said chamber. . . . (5.) In a gas-compressor, the combination of a cylinder, a piston fitting in said cylinder, means to reciprocate said piston in said cylinder, a port opening into said cylinder, a low-pressure suction conduit leading to said port from a source of low-pressure gas, a higher-pressure suction conduit leading to said port from a source of higher-pressure gas, said higher-pressure source being external to said compressor, a discharge-conduit leading from a port opening into said cylinder to a high-pressure gas-receiver, valves adapted for seriatim-governing communication of said conduits, one at a time, with said cylinder in the increasing order of their pressures and for preventing communication of said conduits with each other.

[NOTE.—Here follow twenty-two other claims.]

(Specification, £1 12s. 6d.)

No. 28941.—4th January, 1911.—RAYMOND PELLY DOUDNEY, of Shellingford Rectory, Faringdon, Berkshire, England, Motor Engineer. Improvements in and relating to carburetting-apparatus.

Claims.—(1.) In carburetting-apparatus for the production of air-gas in which an air-bell acts as a reservoir from which the carburetter is supplied with compressed air and in which one or more air-bells are actuated by hydraulic pistons to which the head of water is admitted through a valve operated by the rising and falling of the bells, the provision of an auxiliary hydraulic piston controlling a second valve adapted to admit water to the said hydraulic pistons of the air-bells or to open the exhaust-passages of said pistons, substantially as and for the purpose described. . . . (4.) In a carburetter of the class described, the combination of a carburetter-chamber containing the hydrocarbon fluid, a float arranged in said chamber, a vertical pipe (closed at its top end) screwed into a collar carried by said float, a series of perforations at the lower end of said pipe adapted to be partly or wholly submerged in the hydrocarbon fluid by the rotation of the said pipe in said threaded collar, a connecting-rod arranged in the cap of said carburetter-chamber, provided with a milled head at its outer end and guiding-rods at its inner end, attached to said vertical pipe by collars which allow of a free vertical motion for said pipe in its supporting float, substantially as and for the purpose described with reference to the drawings.

[NOTE.—Here follows one other claim.]

(Specification, 9s.)

No. 28945.—5th January, 1911.—UNITED SHOE MACHINERY COMPANY, of Paterson, in the State of New Jersey, United States of America, a corporation duly organized under the laws of said State of New Jersey, carrying on business as Shoe-machinery Manufacturers, and having a place of business at 205 Lincoln Street, Boston, in the Commonwealth of Massachusetts, in said United States of America (assignees of ELIPHALET ALEXANDER TRIPP, of Beverly, Essex, Massachusetts aforesaid, Inventor). Improvements in or relating to heel-attaching machines.

Claims.—(1.) A heel-attaching machine, having, in combination, means for pressing a heel upon the heel-seat of a shoe arranged to exert pressure toward the heel-seat upon a predetermined portion of the sloping surface of the heel at the rear intermediate its tread-surface and heel-seat surface, said means being arranged for substantially uniform operation on heels of varying shapes, and means for securing the heel to the shoe. . . . (5.) A heel-attaching machine, having, in combination, a shoe-support formed to enter a shoe, drivers arranged within the support for driving nails through the sole of the shoe into a heel, means for sustaining the heel against the thrust of the drivers, comprising a member arranged to have contact with the tread-surface of the heel and an auxiliary device at the rear of said member for engaging a predetermined portion of the rear of the heel intermediate its tread-surface and heel-seat surface and resisting pressure in the direction of the height of the heel, said device being arranged for adjustment longitudinally of the shoe whereby heels of different sizes may be acted upon uniformly, and mechanism for moving relatively said support and said means to press a heel upon its heel-seat. . . . (14.) In a machine