APRIL 18.] THE NEW ZEALAND GAZETTE. 1271

freely round an axis of inertia which is situated in any position
relatively to the axis of the carrier, whilst its oscillation has
also the result of raising its centre of gravity so that it will
have a constant tendency to return to its normal or equilibrium position. (2.) A constructional form of the centrifugal drum specified in claim 1, characterized by the fact that the carrier consists of a shaft or rod having forked ends which engage cross-pins or trunnions on the driving-shaft and on the pivot or the bottom of the drum.
(Specification, 3s. 9d. ; drawing, 1s.)

No. 22552.—13th March, 1907.—IVAR PETER BAGGER KNUDSEN, of Svanemollevej 56, Copenhagen, Denmark, Director. Improvements in centrifugal separators.

Claims.—(1.) In separator-drums of the kind which are suspended on the top of a vertical shaft in such a manner that it is capable of moving freely in relation to this, the arrangement consisting in the separator-drum revolving round a movable guide-pivot in a ball-guide in a fixed bearing, the guide-pivot at a place outside the ball-guide being enclosed by a device capable of receiving the actuations transmitted from the drum to the guide-pivot without producing reactionary effects. (2.) A form of execution of the arrangement mentioned in claim 1, characterized by the device mentioned in claim 1, consisting of a ring of leather, ebonite, or the like fastened round the guide-pivot, said ring being pressed between two surfaces, thereby being capable of receiving the actuations transmitted without producing reactionary effects. (3.) A form of execution of the arrangement mentioned in claim 1, characterized by the guide-pivot being placed between fixed and tightened cords receiving the actuations transmitted.
(Specification, 3s. ; drawing, 2s.)

No. 22553.—13th March, 1907.—IVAR PETER BAGGER KNUDSEN, of Svanemollevej 56, Copenhagen, Denmark, Director. An improved bearing for rapidly rotating bodies.

Claim.—In a bearing for a rapidly rotating body, the combination with the shaft which supports said body, of a disc encircling the shaft and displaceable therewith in a direction transversely of the axis of the bearing, a spring tending to maintain the disc and shaft in axial alignment with the bearing, and a pair of surfaces between which the disc is clamped in such manner as to cause frictional resistance to be offered to movements of the disc and shaft transversely of the axis of the bearing, substantially as described.
(Specification, 2s. 3d. ; drawing, 1s.)

No. 22650.—2nd February, 1907.—GEORGE JOHN BROWNE, of Kairanga Road, Palmerston North, New Zealand, Mechanical Engineer, and EDWIN TOMS, of Fitzherbert Street, Palmerston North aforesaid, Commercial Traveller. Improved machine for making sheet-metal seamed and grooved piping.

Claims.—(1.) The improved machine for making sheet-metal seamed and grooved piping comprising, in combination, a hopper, revolving mould with groove, which receives the edge of sheet metal and by the revolution makes the top lap, a sliding or thrust bar making bottom lap by forcing edge into mould-recess, thereby preparing pipe ready for seaming, substantially as described. (2.) The improved machine for making sheet-metal seamed and grooved piping comprising, in combination, a carriage to male and female seamers which press laps into seams, and locked by grooving-wheel, substantially as described. (3.) The improved machine for making sheet-metal seamed and grooved piping comprising, in combination, an opening and closing grip for drawing pipe through seamers, substantially as described.
(Specification, 2s. ; drawing, 4s.)

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 drawing 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.

J. C. LEWIS,
Registrar.

B

Provisional Specifications accepted.

Patent Office,
Wellington, 17th April, 1907.

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

No. 22102.—J. A. Yule, wrench for operating nuts of fishplate-bolts.

No. 22429.—A. J. Way, apparatus for producing hydrocarbon.

No. 22478.—J. W. Wood and C. J. Ward, means for shifting tramway-points.

No. 22487.—A. S. Hudson, pliers for marking ears of sheep.

No. 22515.—N. I. Gooder, trolly-arm head for electric trams.

No. 22519.—T. and J. Bowrey, weighing-machine for grading sheep.

No. 22522.—W. H. Macdougall, building for totalisator.

No. 22527.—A. T. Chodowski, cattle-pen and slaughtering-apparatus.

No. 22528.—W. R. Walker, knee-protector.

No. 22530.—A. Reid and J. McCluggage, apparatus for digging potatoes.

No. 22532.—H. N. Bell, soldering-machine.

No. 22541.—T. M. Copeland, spacer for type-setting.

No. 22542.—J. Sharpe, bottle-stopper.

No. 22545.—F. R. Beuhne, apparatus for rendering bees-wax.

No. 22549.—A. Falkner, suspension-bridge.

No. 22555.—W. H. Haslett and N. Marsdon, solution for producing anaesthesia.

No. 22570.—United Shoe Machinery Company, pounding-up machine. (C. E. Shattuck.)

No. 22571.—United Shoe Machinery Company, grooving-attachment for sewing-machine. (J. V. Allen.)

No. 22572.—S. W. Winslow, buffing and abrading machine. (A. W. Rogers.)

No. 22604.—W. Jamieson, rotary engine.

No. 22605.—G. E. Woodbury, ore-concentrating machine.

NOTE.—Provisional specifications cannot be inspected, or their contents made known by this office in any way, until the complete specifications in connection therewith have been accepted.

Letters Patent sealed.

LIST of Letters Patent sealed from the 4th to the 17th April, 1907, inclusive :—

No. 19971.—J. Pomeroy, paper-file.

No. 20405.—E. G. Gresham and A. Gray, pneumatic knee-ring.

No. 20508.—R. A. Bradbury, sleeve of waterproof coat.

No. 20510.—R. R. Douglas, tumbler and shaft for dredge.

No. 20695.—W. C. Quinnell, milk-pail and stool.

No. 20819.—G. Ridgway, atmospheric filter.

No. 21038.—A. W. Burbury, means of securing strands of wire fence to standard.

No. 21163.—J. J. Gilday, pump.

No. 21666.—A. J. Hall, appliance for feeding brush with pigment.

No. 21765.—C. B. C. Storey and J. A. Wauchope, ore-crushing machine.

No. 21916.—H. Bostock and J. A. Peck, lock-nut. (H. J. Swain.)

No. 21960.—A. D. Sloane, advertising-device.

No. 22011.—A. H. Byron and D. J. Byron, steel framing for buildings.

No. 22074.—F. L. Davis, sash window.

No. 22174.—Gies Gear Company, reversing-gear. (F. G. Gies.)

Letters Patent on which Fees have been paid.

[NOTE.—The dates are those of the payments.]

SECOND-TERM FEES.

No. 16100.—Cooley Development Company, rotary fluid engine. (J. F. Cooley.) 10th April, 1907.

No. 16193.—H. Bland, elastic-fluid compressor. 2nd April, 1907.

No. 16205.—A. V. Maniachi, stove for heating irons. 8th April, 1907.

No. 16509.—United Xpedite Finishing Company, heel-finishing machine. (C. Pease.) 10th April, 1907.

No. 16510.—United Xpedite Finishing Company, heel-finishing machine. (R. W. Thomson.) 10th April, 1907.

THIRD-TERM FEES.

No. 12345.—W. F. Pellew and W. McConchie, butter-churn. 28th January, 1907.

No. 12523.—Andrews and Beaven, Limited, chaff-cutter. (W. Andrews and A. W. Beaven.) 10th April, 1707.