1100
THE NEW ZEALAND GAZETTE.
[No. 33

round a quantity of malleable metal, placing a series of
mid briquettes in a mould and casting softer metal therein
to imbed the mid blocks, substantially as described. (4.) The
process of making brake-shoes which consists of providing an
open metal-mould of standard form and size, placing therein
a quantity of expanded metal and casting thereon a quantity
of hard iron to form a briquette, thereupon providing a
brake-shoe sand mould, placing a series of said briquettes
therein, and pouring in soft cast iron to imbed the said
briquettes, substantially as described. (5.) A brake-shoe
comprising a body of soft cast metal having imbedded therein briquettes of harder cast metal, said briquettes containing a quantity of malleable metal. (6.) A brake-shoe
comprising a series of filaments of malleable metal imbedded
in blocks of hard cast metal, and said blocks being imbedded
in soft cast metal forming the body of the shoe. "(7.1 A soft
cast-metal brake-shoe containing indented blocks of hard and
cast metal, said blocks themselves containing a frame-work
of malleable metal, and the surfaces of said blocks being
annealed as the soft metal is poured around them, substantially as described.
(Specification, 5s. 6d. ; drawing, 1s.)

No. 16233.—16th April, 1903.—JAMES PALMER CAMPBELL,
of Wellington, New Zealand? Solicitor (nominee of Charles
Felton Scott, of 124, Elysian Street, Pittsburg, Pennsylvania, United States of America, Electrical Engineer). Improvements in alternating current electrical apparatus.

Claims.—(1.) In the operation of single-phase alternating
current electric motors, means for maintaining a constant
ratio between the current in the armature and in the field
magnet winding of the motor, and at the same time supplying said windings with different amounts of current.
(2.) An arrangement for operating single-phase alternating
current electric motors in which one element of the motor
is supplied from the secondary winding of a transformer included in the supply circuit and the other element of the
motor is either included in the supply circuit or is supplied
from another secondary winding on the transformer supplying the first element or from the secondary of another
transformer connected in series with the first transformer.
(3.) Systems of supplying energy to single-phase alternating
current electric motors arranged and operating substantially
as described with reference to the drawings.
(Specification, 5s. 6d. ; drawing, 1s.)

No. 16234.—16th April, 1903.—COOPER-HEWITT ELECTRIC
COMPANY, a corporation organized "der the laws of the
State of New York, of 120, Broadway, New York, United
States of America, Manufacturers (assignees of Peter Cooper
Hewitt, of 11, Lexington Avenue, New York aforesaid,
Scientist). Improvements in electric gas or vapour lamps.

Claims.—(1.) An electric lamp of the kind described having
a solid or non-gaseous conductor for the purpose of connecting the electrodes, which connection is broken in order to
start the lamp. (2.) A" electric lamp of the kind described
in which one of the electrodes is movable and can be brought
into contact with the other electrode, being automatically
withdrawn for the purpose of starting the lamp. (3.) The
modification in which both electrodes are arranged to be connected with and disconnected from a solid conductor within
the lamp, one of the said electrodes being arranged to be disconnected from said conductor before the connection with
the other electrode is severed. (4.) In an electric lamp of the
kind described, the provision of means for cutting out the
lamp when an excessive current passes through the same,
substantially as described. (5.) In an electric lamp of the
kind described, a solid heating conductor inside the lamp
acting to furnish initial heat to the lamp and carrying no
current when the lamp is in operation. (6.) Electric gas or
vapour lamps constructed and operating substantially as described with reference to the drawings.
(Specification, 9s. ; drawings, 2s.)

No. 16239.—17th April, 1903.—ADOLPHUS JAMES PARK,
Engineer, and HERBERT MATHIAS THORPE, Analyst, both
of Ngaruawahia, Auckland, New Zealand. Improved weighing and delivering apparatus more particularly adapted for
weighing milk and other liquids.

Claims.—(1.) The apparatus for the purpose indicated,
consisting of the parts arranged, combined, and operating
substantially as specified. (2.) In apparatus for the purpose
indicated, a trough pivotally supported above a tank and
divided into two compartments, the trough being removable
mounted "pan the pivot-spindle by uprights projecting from
said spindle fitting into sockets "pan the sides of the trough,
substantially as specified and illustrated. (3.) For the purpose indicated, in combination, a pivotally-supported trough
divided into compartments, one upon each side of the pivot,
a tank receiving liquid from the said trough, an outlet for
liquid from the tank, a supply-vat and a pipe from said vat
through which liquid is delivered to the trough, substantially
as specified. (4.) For the purpose indicated, in combination,
a pivotally-supported trough divided into compartments, one
upon each side of the pivot, a tank receiving liquid from
each of said compartments alternately, an arm fixed upon
the pivot, an adjustable balance-weight upon the arm, and
means for conducting liquid to the trough and from said
tank, substantially as specified and illustrated. (5.) For the
purpose indicated, in combination, a pivotally-supported
trough divided into compartments, one upon each side of
the pivot, a tank receiving liquid from each of said compartments alternately, a ratchet-wheel, a slide-rod having a
pawl engaging the ratchet-wheel, a cam-plate upon the rod,
and a bracket fixed upon said pivot for operating the rod by
the movement of the trough, a disc fixed to the ratchet-wheel, a notch in the disc, a lever having a pin bearing upon
the periphery of the disc, a supply-vat, a plug-valve therein,
a pipe conducting liquid to the trough, a lever to which the
plug-valve is connected, and means for connecting the levers
whereby the plug-valve is opened and allowed to close, substantially as described and illustrated.
(Specification, 3s. 9d. ; drawing, 1s.)

No. 16240.—15th April, 1903.—FREDERIC EDMUND BOWMAN, of 34, Spinning Field, Deansgate, Manchester, Lancaster, England, Chemist. Improvements in gas-producing plant.

Claims.—(1.) In combination, a gas-engine connected to a
vertical generator having "ear its top an annular boiler preferably fitted with Field tubes depending from it, a movable
furnace-grate and means for raising and lowering the same,
coiled pipe forming an auxiliary boiler fitted near the bottom
of the generator and connected to the annular boiler, connections from the steam space of the boiler with the chamber
at the bottom of the generator, connections from the generator through a scrubber to the cylinder of the gas-engine,
and connections from an air-chamber bested by the exhaust
from the gas-engine to the steam space of the boiler, all substantially as shown and described. (2.) The combination
with a gas-engine and a vertical gas-generator fitted with an
annular boiler of a furnace-grate contained in an airtight
chamber, and arranged to be raised and lowered, whilst the
chamber is closed, by means of a hand lever, all substantially as set forth.
(Specification, 3s. 3d.; drawing, 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. A
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. O. LEWIS,
Deputy-Registrar.

Provisional Specifications.

Patent Office,
Wellington, 29th April, 1903.

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

No. 15028.—28th March, 1903.—EMILY SAXTON, of "Oakland," Stoke, Nelson, New Zealand. An improved cycling-gauntlet.

No. 15319.—28th August, 1902.—CLARENCE SAWYER, of
Wellington, New Zealand, Painter. An improved paint-brush binder.

No. 16195.—6th April, 1903.—GEOFFREY PORTER, of Ashburton, Canterbury, New Zealand, Cycle Agent. A improved chain-drive specially adapted for motor bicycles and
cars.

No. 16213.—8th April, 1903.—WILLIAM LACEY CLEVELAND,
of 259, Fitzroy Street, Fitzroy, Victoria, Carpenter. An
indoor or parlour game.

No. 16214.—7th April, 1903.—WILLIAM GEORGE JESSON,
of Christchurch, New Zealand, Railway Employee. Device
for holding doors ajar.

No. 16215.—7th April, 1903.—CHARLES NUNN SCURR, of
Dunedin, New Zealand, Student (nominee of Robert Noble
Adams, of Dunedin, New Zealand, Publisher). Window
lock.