Sept. 3.] THE NEW ZEALAND GAZETTE. 1941

and at the other end to a rotable shaft, substantially as described. (10.) In a centrifugal separator a bowl or vessel secured to the lower end of a spiral spring, the upper end of said spring being secured to a rotable shaft at a point above the centre of gravity of the bowl or vessel and its attached parts, substantially as described. (11.) In a centrifugal separator, a rotable shaft provided with a worm and end-bearings adapted to receive the thrust of the shaft in opposite directions, in combination with a bowl or vessel secured to one end of a spiral spring, the other end of which is secured directly to the free end of the rotable shaft, substantially as described. (12.) In a centrifugal separator, the combination of a rotable shaft, a spring secured to said shaft and a sleeve or tube attached to the spring, in combination with a bowl or vessel adapted to be carried by the sleeve or tube, substantially as described. (13.) In a centrifugal separator, a rotable driving-shaft screw-threaded at one end, in combination with a spiral spring secured directly to the screw-threads of the shaft, together with a bowl or vessel secured to the other end of the spring, substantially as described. (14.) A centrifugal separator provided with a rotable shaft having thrust-bearings and a bowl or vessel secured to the shaft, in combination with a lubricating-chamber and oil holes or ducts so arranged that all of the parts of the machine are kept continuously lubricated, substantially as described. (15.) In a centrifugal separator, the combination of a shaft provided with a driving-worm and a surrounding sleeve, together with thrust-bearings at the opposite ends of the sleeve and holes or ducts whereby continuous lubrication is effected, substantially as described. (16.) In a centrifugal separator, the combination of a rotable shaft provided with a worm and a surrounding sleeve extending the entire length of the worm, together with thrust-bearings and means for conveying oil to all of the parts of said shaft, substantially as described.
(Specification, 8s.; drawing, 2s.)

No. 16803.—15th August, 1903.—REGENERATED COLD AIR COMPANY, a corporation duly organized and existing under the laws of the State of Maine, having their principal corporation office in the State of Maine, at Portland, in the County of Cumberland, and their main business office at 147, Milk Street, Boston, Massachusetts, United States of America, Manufacturers (assignees of Frederick White, of 650, Seventh Street, Boston aforesaid, Manufacturer). Apparatus for treating air.

Claim.—In apparatus for treating air, the combination of an air-regenerating device, means for distributing an air-changing medium over said regenerator, means for causing air from without the apparatus to travel over said medium on the regenerator, and means for returning said air to the air outside the apparatus, the distributing means being driven slowly from a shaft provided with a water-wheel which is enclosed in a casing shaped to prevent the water from swirling therein and to cause the water to discharge into the distributing-device, the whole operating to effect desired changes in the air without spattering of liquid outwardly from the apparatus.
(Specification, 4s. 6d.; drawings, 1s.)

An asterisk (*) denotes the complete specification of an invention for which a provisional specification has been already lodged.

NOTE.—The cost of copying the specification and drawings has been inserted after the notice of each application. An order for a copy or copies should be accompanied by a post-office order or postal note for the cost of copying.

The date of acceptance of each application is given after the number.

Extracts from the drawings accompanying the foregoing complete specifications appear at the end of this Gazette.
F. WALDEGRAVE,
Registrar.

Provisional Specifications.

Patent Office,
Wellington, 2nd September, 1903.

APPLICATIONS for Letters Patent, with provisional specifications, have been accepted as under:—

No. 16719.—31st July, 1903.—WILLIAM ERNEST HUGHES, of Queen’s Chambers, Wellington, New Zealand, Patent Agent (nominee of Nurnberger Motor-Fahrzenge-Fabrik “Union” G.m.b.H., of 42-46, Regensburger Strasse, Nuremberg, German Empire, Manufacturers; the assignees of Ludwig Maurer, of 42-46, Regensburger Strasse aforesaid, Manufacturer). Improvements in friction-gearing.

No. 16720.—31st July, 1903.—WILLIAM ERNEST HUGHES, of Queen’s Chambers, Wellington, New Zealand, Patent Agent (nominee of Nurnberger Motor-Fahrzenge-Fabrik “Union” G.m.b.H., of 42-46, Regensburger Strasse, Nuremberg, German Empire, Manufacturers; the assignees of Ludwig Maurer, of 42-46, Regensburger Strasse aforesaid, Manufacturer). Improvements in friction-gearing.

No. 16741.—1st August, 1903.—ERNEST CAMERON McALPINE, of Woolston, New Zealand, Poultry-farmer. Improvements relating to nests for poultry.

No. 16760.—4th August, 1903.—ALFRED SALIER TILY, of Caversham, New Zealand, Builder. Improvements in taps.

No. 16763.—4th August, 1903.—MICHAEL BROWNE, of Gisborne, New Zealand, Fellmonger. An improved hairpin.

No. 16764.—7th August, 1903.—ROBERT WILLIAM GREENWOOD, of Masters Street, Greymouth, New Zealand, Railway Servant. Improved printers’ quoin.

No. 16765.—7th August, 1903.—CHARLES MURRAY CRUICKSHANK, of Gore, Otago, New Zealand, Builder. Improvements in water-taps.

No. 16766.—7th August, 1903.—THOMAS CARKEEK, of Otaki, New Zealand, Surveyor. An improved sighting-bar for the back sight of rifles.

No. 16767.—7th August, 1903.—WILLIAM JAMES VOWLESS, of Bunnythorpe, New Zealand, Railway Employee. Improved cycle-driving mechanism.

No. 16771.—6th August, 1903.—ALLAN LANGLEY HEIGHTON, of 231, St. Asaph Street, Christchurch, New Zealand, Salesman. An improved bill-file.

No. 16772.—10th August, 1903.—PERCY HENRY SHAILER, of Auckland, New Zealand, Salesman. Improved means for extinguishing the sparks given off from locomotive and other furnaces.

No. 16773.—10th August, 1903.—REMA GINSBERG, of Wellington, New Zealand, Tinsmith. Improved means for securing spouting or pipes to the walls of buildings.

No. 16774.—6th August, 1903.—JOHN WRIGHT, of St. Heliers Bay, near Auckland, New Zealand, Builder. Improvements in wire-fencing battens.

No. 16775.—11th August, 1903.—JOHN WILLIAM HARDLEY and SAMUEL HARDLEY, both of Ashburton, Canterbury, New Zealand, Plumbers. A combined punching and shearing machine.

No. 16776.—11th August, 1903.—RUPERT HOWE SOLLITT, of Palmerston North, New Zealand, Builder and Contractor. A combined cabinet coal-scuttle.

No. 16777.—11th August, 1903.—JOSEPH BALL HOOPER, of Petone, Wellington, New Zealand, Hotelkeeper. An improved pocket case for letters, cards, and the like.

No. 16778.—11th August, 1903.—HERBERT EDWIN CREASE, of Karangahake, Ohinemuri, Auckland, New Zealand, Chemist and Druggist, and WILLIAM WILLIAMS, of Karangahake aforesaid, Contractor. Improvements relating to tooth-brushes, nail-brushes, and the like.

No. 16781.—11th August, 1903.—GEORGE SYMONS BUDGE, of Devonport, Auckland, New Zealand, Gentleman. Improved means for automatically turning the leaves of music.

No. 16785.—12th August, 1903.—GEORGE HART SAYWELL, of Feilding, New Zealand, Coachbuilder. An improved race-starting machine.

No. 16787.—7th August, 1903.—RODERICK MCKENZIE McLENNAN, of Littlebourne Road, Dunedin, New Zealand, Shipping-clerk. Improvements in and relating to calendars.

No. 16788.—8th August, 1903.—RODERICK DONALD POLSON, of Bendigo, New Zealand, Farmer and Shearer. Improvements in sheep-shears.

No. 16789.—8th August, 1903.—CHARLES LLEWELLYN WATT, of Dunedin, New Zealand, Engineer (nominee of James Dungey, of Lawrence, Otago, New Zealand, Coachdriver). Improvements in and relating to coaches and other vehicles.

No. 16791.—13th August, 1903.—EVAN LEWIS ROBERTSON, of 2, Torquay Terrace, Adelaide Road, Wellington, New Zealand, Storeman. An improved egg-carrier.

No. 16792.—13th August, 1903.—FRANCIS HENRY BLUNDELL, of Stanway, Halcombe, New Zealand, Sheep-farmer. An improved appliance for dehorning calves.

No. 16793.—13th August, 1903.—JAMES CLAUDE HENDERSON, of 46, A’Beckett Street, Melbourne, Victoria, Engineer, WALTER JAMES ANDERSON, of 59, William Street, Melbourne aforesaid, Accountant, and ERNEST SYDNEY BURMAN, of 59, William Street aforesaid, Engineer. An improved method of and apparatus for operating the presser-plates of cheese and other presses.

No. 16797.—14th August, 1903.—HIRAM JONES, of 99, South Street, Ascot Vale, Bourke, Victoria, Engineer. An improved machine for crushing and, if necessary, amalgamating metalliferous ores.

No. 16798.—13th August, 1903.—DAVID THOMPSON, of Long Acre Road, Wanganui, Wellington, New Zealand, Farmer. Improvements in fixing stabs or stakes in wire fencing.