Claims._(1.) A hollow cylinder or drum, with a fixed
bottom and movable lid, as per specification, and as illustrated by the drawings. (2.) A spout attached outside the
cylinder, with which it is made to communicate, as per
specification and drawings. (3.) A spring of wire placed
within the cylinder upon which the piston-rod-head
operates, as set forth in the specification and illustrated by
the drawings. (4.) A piston-rod with piston made and
worked in conjunction with the spring, as described in the
specification, and illustrated on the drawings. (5.) The
spring forcing back the piston-rod above the fluid in the
cylinder when relieved of the pressure, causing a vacuum,
preventing an excess of fluid flowing out of the spout; all
working together substantially as and for the purpose set
forth.
(Specification, 3s.; drawings, 3s.)

No. 11968._6th September, 1899._HERMAN AUGUST, of
Esk Street, Invercargill, New Zealand, Cabinetmaker, and
RUDOLF CHARLES MILLER, of Kelvin Street, Invercargill
aforesaid, Basketmaker. Gold-prospecting implement.

Claim._A contrivance to bring to the surface portions of
sand, gravel, &c., from river-beds, &c., for the purposes of
prospecting for gold, by means of the frame A, B, C, with
its covering D attached to the rod A, as shown in the
drawings and as described.
(Specification, 1s. 6d.; drawings, 3s.)

No. 11995._18th September, 1899._CHRISTOPHER TILBURN,
of Dunedin, New Zealand, Marine Engineer. An improvement in dredges.

Claims._(1.) In a dredge, in combination, a centrifugal
pump, a suction-pipe provided with a rose or nozzle, a universal joint and a flexible joint, pulleys or sheaves on the ladder
and suction-pipe, a wire-rope or the like threaded through
the pulleys, and a winch, substantially as set forth. (2.) In
a dredge, a suction-pipe extending downwards from a centrifugal pump secured to the deck of the pontoon, and having
a rose held near or resting upon the bed of the river or
water in which the dredge is working, substantially as set
forth. (3.) The improvement in dredges consisting of parts
constructed, arranged, and operating substantially as set
forth.
(Specification, 1s. 9d.; drawings, 6s.)

No. 11996._18th September, 1899._HENRY NORTH, of
Victoria Street, Wellington, New Zealand, Upholsterer.
An improvement in wire-mattresses.

Claims._(1.) In a spring-mattress and frame, elastic
cables attached at their extremities to the end-bar and
sliding-bar of the frame, and drawn towards the centre of
the mattress by spiral springs, substantially as set forth.
(2.) The improvement in wire-mattresses consisting of parts
constructed and arranged substantially as set forth.
(Specification, 1s. 6d.; drawings, 3s.)

No. 12008._22nd September, 1899._JETHRO JOHN PEARSE,
of Hay Street, Perth, Western Australia, Ironmonger. An
improved grid or broiler.

Claims._(1.) The pan or tray N with lip J, substantially
as shown and described. (2.) The grid or broiler K, substantially as shown and described. (3.) The projecting pins
M, M, with bevelled slots G, and hook H by which the grid or
broiler is attached to the pan or tray N, or may be released
therefrom, substantially as shown and described. (4.) The
combination of the pan or tray N and the grid or broiler K,
with attachments thereto, the pins M, M, the bevelled
slots G, and the hook H, substantially as shown and described,
for the purpose of making an improved grid or broiler for
effectually grilling meat on any description of fuel, and
without damage or inconvenience to the stove used, and
without tainting the meat by the fumes of the fuel used.
(Specification, 2s. 9d.; drawings, 3s.)

No. 12012._20th September, 1899._WALTER CUTTEN, of
Princes Street, Dunedin, New Zealand, Consulting Engineer.
Improved appliance for replacing buckets on the lower tumbler of a dredge.

Claims._(1.) In bucket-dredges, the method of and appliance for replacing the chain of buckets on the tumblers consisting of a drum such as B, B', a rope such as C, and a winch-end such as D, the whole to be used substantially as set forth. (2.) In a dredge, the combination of a drum
having a few turns of rope wound on it with a winch-end
such as B, B', C, D, all substantially as set forth in the
drawings, and as described and explained, for the purpose
set forth.
(Specification, 1s. 3d.; drawings, 3s.)

No. 12022._28th September, 1899._WALTER EVANS, of
Kingsbury House, Birchfield, Warwick, England, Manufacturer. Improvements in tills, and in means for registering cash-receipts.

Claims._(1.) An improved construction of till substantially as described. (2.) The indicators E and F, having hinged bottoms connected together by rods, and retained in the closed position by springs, and capable of being simultaneously opened by a press-knob, substantially as and for the purposes set forth. (3.) The combination with a coin-assorter of the guides D for each denomination of coins to be assorted, as and for the purposes set forth. (4.) The arrangement of a lever between the guides such as D, so as to be operated by a coin in its descent, the weight for returning said lever to its normal position, and suitable parts therewith, for the purpose of actuating registering mechanism, substantially as set forth. (5.) The registering mechanism for cash-receipts substantially as set forth. (6.) In registering mechanism for cash-receipts, the lever L and bell-crank N on the oscillating bar L', and weight L² connected therewith, the pawl O on bell-crank to engage the ratchet-wheel P, and suitable registering-wheels, all arranged and operated substantially as set forth. (7.) In registering mechanism for cash-receipts, the bell-crank N, having its free end to bear upon the pawl O so as to prevent the ratchet-wheel P turning further than the proper distance in one direction, and the pawl V to prevent the said wheel P turning in the opposite direction, substantially as set forth. (8.) In registering mechanism for cash-receipts, the pinion-wheel having every alternate tooth shorter than the others, arranged so that two of the long teeth bear on the periphery of a registering-wheel, in order to prevent the pinion from turning and imparting movement to toothed wheel such as R¹, and consequently the registering-wheel connected therewith, until engaged by a U-shaped lug, substantially as set forth.
(Specification, 7s. 9d.; drawings, £1 6s.)

No. 12024._3rd October, 1899._JOHN ALSTINE SECOR, of
1177, Dean Street, Brooklyn, New York, United States of America, Engineer. Improvements in means for marine propulsion.

Claims._(1.) In an apparatus for propelling vessels by the reactionary force of explosive gases, a submerged water-conduit, an explosion-cylinder communicating with said conduit, a charging- and compressing-piston in the cylinder, and a valve controlling the conduit so constructed and timed as to open the conduit to fill the same while the charge is being drawn in and compressed, whereby the greater period of time in the cycle of operation is simultaneously utilised to prepare the gas and water for action, as set forth. (2.) In an apparatus for propelling vessels by the reactionary force of explosive gases, a submerged water-conduit, an explosion-cylinder communicating with said conduit, a reciprocating piston in the cylinder having a continuous movement in one direction for drawing in the charge and an intermittent movement in the other direction for compressing the charge and driving out the products of combustion, and a valve controlling the conduit so constructed and timed as to open the conduit to fill the same while the charge is being drawn in and compressed, as set forth. (3.) In an apparatus for propelling vessels by an explosive force, an explosion-cylinder wherein the compression and ignition take place and wherein the explosive is ignited without transfer or expansion after compression, combined with a submerged water-conduit, said cylinder and conduit communicating with each other, and the cylinder having a valved exhaust-port leading to the conduit for opening and closing the communication, as set forth. (4.) In an apparatus for propelling vessels by an explosive force, a submerged water-conduit, an explosion-chamber having a compressing-piston, an inlet for explosive material and an outlet for products of combustion communicating with said conduit, said inlet and outlet being fitted with suitable valves and operating means therefore, as set forth. (5.) In an apparatus for propelling vessels by the reactionary force of explosive gases, a cylinder wherein the explosive is compressed and ignited, having a reciprocating piston and devices for arresting said piston at a desired position of its compression-stroke and locking the same during the interval of explosion, as set forth. (6.) In an apparatus for propelling vessels by the reactionary force of explosive gases, an explosion-cylinder having a reciprocating piston, devices for giving the same an intermittent movement during one stroke and a continuous movement during the other stroke, and devices for admitting and igniting the explosive, whereby a new charge is admitted during one stroke and is compressed, ignited, and expelled during the other stroke, as set forth. (7.) In an apparatus for propelling vessels by means of the reactionary force of explosive gases upon a body of water, a submerged conduit, a chamber wherein the explosive gases are compressed and ignited, provided with a release-valve opening to said conduit