1542
THE NEW ZEALAND GAZETTE.
[No. 71

the required degree; a pair of millstones such as A and D
with casing E, the upper or running stone being provided
with a “hub” B having arms a secured within the eye of
the stone, the inside of said “hub” being bored out so as to
fit rigidly upon a vertical-tapered spindle C passing through
the lower or fixed stone, a suitable discharge-outlet F being
fitted to the casing E, which is provided with a suitable valve b,
substantially as described, and illustrated in the drawings.
(3.) In apparatus for reducing wheat to flour, the applica-
tion and use of a “hub” such as B having arms a secured
to the running stone, so as to enable said stone to run rigidly
upon the tapered spindle C passing through lower stone,
substantially as described, and illustrated in the drawings.
(4.) In apparatus for reducing wheat to flour, the application
and use of a valve such as c to the discharge-outlet of the
mill such as G (or of a valve such as b to the discharge-
outlet of the casing of millstones if used in lieu of mill), sub-
stantially as and for the purpose described, and illustrated
in the drawings.
(Specification, 6s.; drawings, 1s.)

No. 12940.—1st September, 1900.—JOHN JONES, of Buck-
land, Auckland, New Zealand, Farmer. A device for hanging
gates.*

Claim.—A device for hanging a gate as shown in the draw-
ings, and as particularly described in the specification, and
whereby a is the hanging-post and b a spindle, c the block and
e the bore; the block c is fitted over the spindle b, the bore e
fitting over the spindle b, the block c also fitting over the
post a; the block revolves on the spindle; the braces f, f, are
attached to the gate and to the block c, which allows the
gate to swing, the cleats g, g, keeping the gate in an upright
position. (N.B.—The parts requiring protection are the
block, spindle, braces and cleats, and the bore.)
(Specification, 2s.; drawings, 1s.)

No. 12984.—14th September, 1900.—JAMES BRODIE MACK,
of 1, Park Street, Wellington, New Zealand, Customs Locker.
A new or improved food for calves.*

Claim.—A food for calves consisting of a mixture of the
waste products from the manufacture of rice-starch, pow-
dered sugar or other saccharine matter, and a small propor-
tion of a suitable alkali, prepared in the manner set forth
and explained.
(Specification, 1s.)

No. 13044.—9th October, 1900.—JOHN HOLMES, of Wel-
linton, New Zealand, Merchant, and THOMAS SAMUEL
GRACE, of Blenheim, New Zealand, Archdeacon. An im-
proved fire-escape ladder.*

Claims.—(1.) A fire-escape ladder composed of chains in
combination with rungs having their ends bent at a right
angle and passed through links of the said chains, substan-
tially as and for the purposes set forth. (2.) A fire-escape
ladder composed of chains in combination with rungs having
their ends bent at a right angle and passed through links of
the said chains, the said ends being pierced and provided
with wires to secure the chains to the rungs, substantially
as and for the purposes set forth. (3.) A fire-escape ladder
composed of chains united at their upper ends and attached
to a suitable support, in combination with rungs having their
ends bent at a right angle and passed through links of the
said chains, the ends of the upper rung being shorter than
those of the lower rungs, substantially as and for the pur-
poses set forth. (4.) The combination and arrangement of
parts comprising our fire-escape ladder substantially as and
for the purposes set forth.
(Specification, 1s. 6d.; drawings, 1s.)

No. 13539.—15th April, 1901.—GEORGE GRIFFITHS, of
Birchfield, Buller, New Zealand, Engineer. A square-link
clip chain.

Claim.—A square-link clip chain composed of links of
iron or steel of square section with an oval ring of round
section material in each end, substantially as and for the
purpose set forth.
(Specification, 1s; drawings, 1s.)

No. 13661.—30th May, 1901.—ALFRED GRA ROSSER, of
William Street, Fremantle, Western Australia, Gentle-
man. An improved lock-nut.

Claims.—(1.) In lock-nuts, a lock-nut formed in two parts,
one part being made with a recess or faucet having a dif-
ferent pitch to that of the inner or bolt thread of its own
part, substantially as and for the purposes set forth and
explained, and as illustrated in the drawings. (2.) In lock-
nuts, a lock-nut formed in two parts, one part being made
with an exterior threaded projection or spigot having a screw
or thread of a different pitch to that of the inner or bolt
thread of its own part, substantially as and for the purposes
set forth and explained, and as illustrated in the drawings.
(3.) In lock-nuts, the combination of two differential-threaded
parts, as above claimed, which when interscrewed with each
other form or act as one united nut, and which when being
unscrewed cause a lock action, substantially as and for the
purposes set forth and explained, and as illustrated in the
drawings. (4.) In lock-nuts, two differential-threaded por-
tions, as A and F, in combination with a retention or pinch
screw-pin as E for to maintain such differential-threaded
portions in a locked condition, substantially as and for the
purposes set forth and explained, and as illustrated in the
drawings.
(Specification, 5s.; drawings, 1s.)

No. 13709.—12th June, 1901.—GEORGE GARIBALDI TURRI,
of Salisbury Building, Queen Street, Melbourne, Victoria,
Patent Agent (nominee of the Cosmopolitan Power Company,
of the Temple, Chicago, Illinois, United States of America,
assignee of Thomas M. Colwell, of 184, La Salle Street,
Chicago aforesaid). Improvements in the art of condensing
steam or cooling fluids.

Claim.—The improvement in the art of condensing steam
or cooling fluids whereby aqueous vapour is conducted,
before expansion thereof, into effective propinquity to the
steam or fluid, for absorbing the heat thereof, and is after-
wards expanded or rarefied and then rapidly drawn off, sub-
stantially as described and set forth.
(Specification, 8s. 6d.; drawings, 1s.)

No. 13749.—20th June, 1901.—JOHN CROWTHER, of Inver-
cargill, New Zealand, Brewer. An improved device for pre-
venting dust, draught, and rain from entering under doors.

Claims.—(1.) In combination with devices for preventing
draught, dust, and rain from entering under doors, a drop-
board suspended by a spring or springs slotted at either end,
attached to the long leg of a lever or levers by means of a
light rod or rods, the short leg of the lever or levers being
acted upon by a short shaft, to which is attached another
shaft (arranged to screw into the shorter shaft); the longer
shaft protrudes a short distance through the back of the
door. A spring or springs, either straight or spiral, placed
above or below the long leg of the lever or levers attached to
a plate, the said plate being constructed so that it can be
securely screwed or otherwise fastened to the bottom of the
door. (2.) A small lever fitted to the door-jamb. (3.) Cheap-
ness of construction, and adjustment to doors now in use and
new doors and old doors, without damage to front or back of
same. (4.) Immediate lift or depression of drop-board on
opening or shutting door, substantially as and for the pur-
pose set forth.
(Specification, 5s.; drawings, 3s.)

No. 13770.—29th June, 1901.—JOHN McINNES, of Kauri-
hohore, Whangarei, Auckland, New Zealand, Mechanic.
An improved clothes-line.

Claims.—An improved duplicate clothes-line with rings on
to hold the clothes in place, and also hooks at ends to fasten
lines to props.
(Specification, 1s.; drawings, 1s.)

No. 13779.—29th June, 1901.—ALFRED EVERARD MAC-
INDOE, of Auckland, New Zealand, Engineer. A packing-
holder for piston-rods, shafts, and suchlike, of engines, that
require packing.

Claims.—(1.) The packing-holder in parts for fitting into
the stuffing-box around the piston-rod, with the flange of each
part bored to pass over screws, for the purpose set forth, sub-
stantially as described and illustrated. (2.) In combination,
the packing-holder in parts fitted into the stuffing-box around
the piston-rod, with the flange of each part bored to pass over
screws and kept in position by nuts, nuts for securing said
packing-holder to said stuffing-box, screws and nuts for lift-
ing said packing-holder above said stuffing-box, means for
checking in and separating parts of said packing-holder, gland
and sleeve for fitting over said packing-holder and said
stuffing-box, and nuts for securing said gland and sleeve,
all for the purpose set forth, substantially as described and
illustrated.
(Specification, 3s. 3d.; drawings, 1s.)

No. 13795.—6th July, 1901.—DONALD McDOUGALL, of
Christchurch, New Zealand, Merchant (assignee of Edward
Smethurst, of Christchurch aforesaid, Commission Agent).
Improved fencing-dropper, and clip to be used therewith,