indirectly with one another and all being covered over, the
hydrocyanic-acid gas liberated during the treatment being
regenerated into a simple cyanide-solution and used over
again, substantially as described. (3.) The combined pulp-
collector, agitator, and dewatering-device {substantiallygas
described with reference to the drawings.
(Specification, 5s. 9d.)
No. 30808. - 31st January, 1912. - GEORGE SOMERVILLE
NORRIS, care of C. E. Bernays, 45 Adelaide Street, Brisbane,
Queensland, Australia, Mechanician. An improved lock-nut.
Claim.-A slotted lock-nut or washer having four points
which engage three threads of the bolt immediately nextto
the nut it locks, as described and illustrated.
(Specification, 2s. 6d.)
Copies of drawings may be obtained at the uni-
form price of ls. each. In exceptional cases this
price may be increased at the discretion of the
Office.
An asterisk (*) denotes the complete specification of an
invention for which a provisional specification has been
already lodged. A dagger (+) denotes a prior date upon
the International and Intercolonial Arrangements.
NOTE.-The cost of copying the specification 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 the Gazette.
J. C. LEWIS,
Registrar.
Provisional Specifications accepted.
Patent Office,
Wellington, 29th February, 1912.
A PPLICATIONS for Letters Patent, with provisional
specifications, have been accepted as under:-
No. 29832.-G. T. Allen, swingletree-shackle.
No. 30474.-G. Davidson, trolly-pole-point shifter.
No. 30497.-A. P. Merrill, vacuum sweeper. (Pneuvac
Company-M. S. Wright.)
No. 30781.-R. T. Watson, centre-brake.
No. 30820.-W. E. Hunter, trousers-clasp.
No. 30834.--R. K. Balcarras, water-motor.
No. 30841.-M. Sherlock, spouting-bracket.
No. 30845. - J. Pearson, removing obstruction from
animal's throat.
No. 30854.-C. J. Tuck, hoe.
No. 30866.-W. Burrell, butter, &c., box.
No. 30881.-J. B. Salmon and E. W. Roy, leather-article
manufacture.
No. 30883.--J. Herd, surf-bathing life-saving apparatus.
No. 30884.-C. Gaffney, fence for trapping rabbits.
No. 30885.-P. McIlveney, closet-flush.
No. 30887.-R. M. Baddeley, ventilating-screen opening
and closing.
[Note.-Provisional specifications cannot he 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.
1ST of Letters Patent sealed from the 31st January
to the 24th February, 1912, inclusive :-
No. 22593.-T. R. Christie, skylight.
No. 28613.--R. J. L. Hildyard, metal-wheel manufacture.
No. 28662.--J. Dawson, suspension bridge.
No. 28667.--D. Taylor, bookbinding.
No. 28673.--H. Voss, windmill-controller.
No. 28699. - H. I. M. Ross, ventilator.
No. 28702.--J. R. C. Jones, vehicle-brake.
No. 28745.--R. B. Wight, sausage-machine.
No. 28762.--C. Neff and A. Brandes, liquid-treatment.
No. 28784.-C. E. Hardley, gas, &c., tap.
No. 28788.--F. A. Rich and S. Jeffreys, concrete slab.
No. 28817.--F. W. Geary, tank-overflow.
No. 28844.--United Shoe Machinery Company, die-cutter.
(E. Pocock.)
No. 28845.--United Shoe Machinery Company, welt-shoe
manufacture. (W. J. Drey.)
No. 28846.--United Shoe Machinery Company, boot, &c.,
machine. (W. J. Drey.)
No. 28863.--C. M. Burrell, bath.
No. 28865.--Woods-Gilbert Rail Planer Company, Li-
mitied, rail-planing machine. (J. Little.)
No. 28910.--A. E. Young and G. G. Holmes, jun., lawn-
mower attachment.
No. 28916.--F. Hudson, table-top connection.
No. 28930.--United Shoe Machinery Company, conforming
upper to last. (A. Bates.)
No. 28944.--United Shoe Machinery Company, heeling-
machine. (L. L. Glidden.)
No. 29017.--United Shoe Machinery Company, rounding,
&c., machine. (F. H. Perry.)
No. 29018.--United Shoe Machinery Company, button-
hole machine. (G. S. Hill.)
No. 29040.--C. Christie, earth-excavator. (H. R. M.
Whittell.)
No. 29062.--E. Moss, clamping spare rim to motor-car
rim.
No. 29147.--E. N. Waters, ammonia-manufacture.
(Badische Anilin and Soda Fabrik-C. Bosch, A. Mittasch,
H. Wolf, and G. Stern.)
No. 29148.--E. N. Waters, ammonia-manufacture.
(Badische Anilin and Soda Fabrik-C. Bosch, A. Mittasch,
H. Wolf, and G. Stern.)
No. 29329.--W. H. G. Geake, shirt-manufacture.
No. 29352.--Viscose Development Company, Limited, and
J. R. Mortford, bottle, &c., covering.
No. 29421.--H. P. Williden, carburettor.
No. 29536.--J. Townley and W. J. Sharples, table.
No. 29562.--C. E. Baker, ore-treatment.
No. 29586.--R. M. Waugh and A. J. Bedford, turbine
rotor.
No. 29641.--H. Chapman, milk-releaser.
No. 29797.--A. Trifonoff and D. Gardner, ore-treatment.
No. 29817.--S. Simons, panel-securing.
No. 29920.--A. Thompson, perambulator-spring.
No. 29981.--A. Murray, wool-dyeing.
No. 30033.--J. G. Newman, gas, &c., engine spark.
No. 30122.--E. Cameron, milking-machine.
No. 30127.--W. Hart and J. M. Deschamps, charcoal-
retort.
No. 30152.--L. Courlander, eyeglass, &c.
No. 30168.--A. H. Smith, vacuum sweeper. (Domestic
Vacuum Cleaner Company-F. J. Quist and M. Blanch.)
No. 30170.--W. B. D. Ponninghaus, liquid-controlling
float.
No. 30217.--H. Pape, zinc-desulphurization.
No. 30256.--E. Phillips, electric-oscillation circuit.
(Gesellschaft fur Drahtlose Telegraphic m.b.H.-R. H.
Rendahl.)
No. 30257.--E. Phillips, wireless telegraphy station con-
ection changing. (Gesellschaft fur Drahtlose Telegraphic
m.b.H.-A. Leib and A. Frey.)
No. 30263.--A. C. Diehl, talking-machine.
No. 30264.--A. C. Diehl, talking-machine.
No. 30279.--E. H. Bridge, telephone-call recorder.
No. 30287.--W. Marks, chaff-cutter, &c., feed-roller. (R.
T. Park.)
No. 30305.--R. S. Falkiner, sheep-shearing machine. (P.
Boll.)
No. 30306.--H. G. Pennington, teat-cup.
No. 30307--C. Remann, door-check.
No. 30338.--R. Sanderson, producer-gas furnace.
No. 30341.--W. L. Imlay, gold-recovery.
No. 30411.--A. Moad, jun., and A. J. Jervie, potato-
dropper.
Letters Patent on which Fees have been paid.
[Note.-The dates are those of the payments.]
SECOND-TERM FEES.
No. 22593.-T. R. Christie, skylight. 15th August, 1911.
No. 24024.--Consol Automatic Aerators, Limited,
aerating-machine. (British Automatic Aerators, Limited-
H. Pearce.) 17th February, 1912.
No. 24064.--G. Ullrich, magnetic separation of ores, &c.
27th February, 1912.
No. 24066.--R. Tacon, spark-arrester. 28th February,
1912.
No. 24067.--W. E. Kinnerney, fire-extinguishing. 28th
February, 1912.
No. 24076.--J. Hargreaves, ventilator. 28th February,
1912.
No. 24083.--United Shoe Machinery Company, press.
(C. Bennion.) 28th February, 1912.
No. 24084.--F. Bennitt, roasting and sintering ores. (A.
S. Dwight and R. L. Lloyd.) 16th February, 1912.
No. 24097.-R. T. Haines, washing-machine. 29th Feb-
ruary, 1912.
No. 24196.--M. Moore and T. J. Heskett, iron and steel
manufacture. 28th February, 1912.
No. 24249.--L. T. Reichel and E. F. Reichel, fire-alarm.
22nd February, 1912.