THE NEW ZEALAND GAZETTE.

[No. 99

the milk-pipes of milking-machines, comprising a valve at
the end of the milk-pipe where it joins the metal connector,
operated by a lever to which an adjustable cord is attached,
said cord being attached to an overhead pipe, substantially
as and for the purpose set forth.
(Specification, 2s. 3d.)

No. 28919.—23rd December, 1910.—JAMES GILMOUR, of
110 Peel Street, Gisborne, New Zealand. Coupling for
repairing leaky water-mains.

Claim.—A coupling consisting of two segments of a metal
ring, with grooves to enable lead joints to be readily made on
each side of a leak in a water-main without reducing the
pressure.
(Specification, 1s. 3d.)

No. 28930.—13th January, 1911.—WILLIAM STEWART LIND,
of Wanganui, New Zealand, Drover. Improved means for
attaching traces to the hames of horse-collars.*

Claim.—Means for attaching traces to the hames of horse-
collars, consisting of a plate upon the hame having a peg
projecting outwards from the face thereof, and two keepers
on the plate arranged one in front of and one to the rear of
the peg, in combination with a trace adapted to pass through
the keepers and formed with holes therein adapted to fit
over the peg, substantially as specified.
(Specification, 2s.)

No. 29061.—27th January, 1911.—GEORGE WILLIAM
HUTCHINSON, of Walton, Waikato, Auckland, New Zealand,
Farmer. Improvements in internal-combustion engines.*

Claims.—(1.) In an internal-combustion engine, a main
piston having a recess fitted with a spring-operated com-
pression-piston, as set forth. (2.) In an internal-combustion
engine, a main piston having a recess, a compression-piston
fitting the recess and guided and controlled by rods passing
through the head of the main piston, and a spring in com-
pression between the pistons, as set forth.
(Specification, 3s. 3d.)

[NOTE.—Here follow five other claims.]

No. 29075.—1st February, 1911.—UNITED SHOE MA-
CHINERY 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 busi-
ness at 205 Lincoln Street, Boston, in the Commonwealth of
Massachusetts, in said United States of America (assignees
of William Amber Reed, of Chelsea, Suffolk, Massachusetts
aforesaid, Draughtsman, and James Foley, of Rovere, Suffolk
aforesaid, Machinist). Improvements in or relating to grind-
ing, polishing, or like machines.*

Claims.—(1.) A machine of the class described having, in
combination, a shaft, an operating member mounted thereon,
means for rotating said shaft, means for reciprocating said
shaft, said last-named means including a resilient member for
taking up lost motion, and a ball in line with the axis of said
shaft and arranged to receive the thrust of the reciprocating-
means. . . . (8.) A roll for an abrading-machine, com-
prising a body-portion provided with a bore to receive a shaft,
a plurality of hooks for holding an abrasive cover on said
roll, a member carried by said roll and movable with respect
to its periphery, and means for detachably connecting said
hooks with said member.
(Specification, £1.)

[NOTE.—Here follow eleven other claims.]

No. 29168.—24th February, 1911.—GEORGE WILLIAM
HUTCHINSON, of Walton, Waikato, Auckland, New Zealand,
Farmer. Improved sparking-regulator for internal-combus-
tion engines.*

Claims.—(1.) A sparking-regulator of the type described,
comprising a governor connected to and adapted to rotate
a commutator. (2.) A sparking-regulator of the type
described, comprising a governor operating a sliding rod,
which has a rack engaging a toothed wheel fixed to a com-
mutator. (3.) In a governor of the type described, a hollow
sleeve containing a spiral spring in compression between an
adjustable rod and a rod connected to and operating a com-
mutator.
(Specification, 3s. 6d.)

[NOTE.—Here follow three other claims.]

No. 29427.—25th April, 1911.—DAVID HENRY ARMSTRONG,
of Meremere, Hawera, New Zealand, Farm Labourer. Means
for automatically receiving and delivering milk from the
vacuum pipes of milking-machines.*

Claim.—(1.) Apparatus of the kind described, comprising
a can divided into two superposed compartments by a parti-
tion, a counter-balanced valve seated in an opening in the
partition, milk and vacuum pipes entering the top of the
can, a float-valve slidable on a rod connected to a lever, a
slide-valve operable by the lever, a pipe connected to the
lower compartment and adapted to be opened by the valve
to the upper compartment or to the atmosphere, and an
outlet-valve at the bottom of the lower compartment, as set
forth.
(Specification, 3s. 6d.)

[NOTE.—Here follow three other claims.]

No. 29433.—25th April, 1911.—ALBERT JOHN HAINS-
WORTH, of 60 Mortimer Terrace, Wellington, New Zealand,
Electrical Engineer. Improved apparatus for heating water.*

Extract from Specification.—The present invention provides
for the employment of an electrical heating-unit, comprising
a non-conducting cylindrical core made of burnt fireclay,
around which the electrical wire is wound. (Specification, 3s.)

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

No. 29974.—19th October, 1910.—GEORGE ROWLAND
EDMONDS, of “Luton,” Joseph Street, Ashfield, near Sydney,
New South Wales, Australia, Engineer. Improved educa-
tional appliance.

Claim.—(1.) The improved educational appliance con-
sisting of a number of narrow plates of sheet metal, paper
mache, or other suitable material, each pivoted at one end
on a common axis and maintained separate by washers or
the like, said plates bearing letters of the alphabet, devices,
or other informative matter on one or both faces, and to be
capable of manipulation to form simple words, substantially
as described and as illustrated.
(Specification, 3s. 9d.)

[NOTE.—Here follows one other claim.]

No. 30024.—18th August, 1910.—JOHN ANDERSON, of
Craiglea, Tayport, Fifeshire, North Britain, Gentleman. Im-
provements in feathering wind-sails or propellers applicable
for windmills, airships, and other purposes.

Claim.—(1.) In a wind-motor or aerial propeller in which
sails, vanes, or paddles arranged in a circular series about a
wheel-like frame are geared so as to be revolved backwards
about their individual spindles while being carried forward
by the revolution of the frame, the arrangement of additional
mechanisms each of which is operative upon a respective sail,
vane, or paddle, in such a manner as to increase its backward
motion about its spindle on the driving-side of the wheel, and
to reduce such backward motion upon the non-driving or
return side of the wheel, substantially as described.
(Specification, 11s. 3d.)

[NOTE.—Here follow four other claims.]

No. 30104.—24th August, 1911.—CATHERINE SMELTH
MUNRO, of Wharkuri, Kurow, New Zealand, Gentlewoman.
Improved napkin-warmer and hot-water bag.

Claim.—(1.) In hot-water bags, in combination with them,
a pocket or outer bag for keeping articles hot, all substantially
as shown on the drawing, and as described and explained.
(Specification, 1s.)

[NOTE.—Here follows one other claim.]

No. 30116.—30th August, 1911.—WILLIAM CLAUDE
NOAKES, of Colombo Street, Christchurch, New Zealand,
Motor Engineer. Improved means for unloading coal and
other loose material from the holds of ships.

Extract from Specification.—I employ an endless chain
of elevator-buckets passing over sided tumblers, one at
the bottom of the hold and the other above the deck, in
such position that coal is delivered by the buckets over the
side of the vessel into a chute or other means for conducting
it where required. A feature of the invention consists in a
series of slides or doors which cover an opening in the elevator-
casing, and which may be removed one after the other as
the unloading proceeds, so that the material may fall into and
be readily shovelled into the buckets.
(Specification, 3s.)

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

No. 30217.—14th September, 1911.—HERMANN PAPE, of
Billwarder, Hamburg, Germany, Engineer. A new or im-
proved process for the desulphurization of zinc.

Claims.—(1.) A process for the desulphuration of sulphate
of zinc by roasting wherein oxide of zinc is mixed with the
zinc-sulphate before roasting. (2.) A process for the de-
sulphuration of sulphate of zinc by roasting wherein oxide of
zinc in a finely pulverized state is mixed with the sulphate
of zinc before roasting. (3.) A process for the desulphuration
of zinc by roasting wherein a paste is made of finely
pulverized zinc-oxide and a concentrated solution of sulphate
of zinc, which is dried, after which pieces of the dried com-
pound are placed in a calcining-apparatus.
(Specification, 2s.)

No. 30238.—19th September, 1911.—EARDLEY CULLEY
REYNOLDS, of Dunedin, New Zealand, Auctioneer. A time-
limit lock.*

Claim.—(1.) A time-limit lock for the doors of bath-
rooms and the like, comprising means which on the door
being closed automatically lock it, and means which on the
expiry of a predetermined period of time from the instant of
locking it automatically unlock it, substantially as described.
(Specification, 11s. 6d.)

[NOTE.—Here follow six other claims.]