Improvements in Apparatus for Boiling Mussels, also applicable to Boilers for Affording a Continuous Supply of Boiling Liquid.
Year: 1890

page_text: Date of Application, 20th Sept., 1890
Complete Specification Left, 20th June, 1891-Accepted, 1st Aug.,
1891
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Boiling Mussels, also applicable to
Boilers for Affording a Continuous Supply of Boiling Liquid.
I, THOMAS WATSON of 7 and 8 Victoria Market, Manchester, Oyster Dealer
do hereby declare the nature of my said invention to be as follows:-
This improved apparatus for boiling mussels consists of a vessel constructed of
lead as being a good conductor of heat and a material which is little affected by
the chemical action of the salt water. Being cylindrical in form it is surrounded
by a casing filled with bay wood saw-dust and alum or other fire resisting com-
position and non-conductor of heat and lagged with wood on the outside so as to
retain the heat and prevent radiation. The bottom of this vessel is slightly concave
and from or near its crown rises a leaden tube or flue which is carried upwards
through the centre of the vessel and terminates in a crook at the top turned down
on to the surface of the liquid. This tube induces the flame of a Bunsen or other
burner or burners to play upon the centre of the bottom of the vessel and also acts
itself as a heating surface by reason of the heated current entering or passing along
its interior.
The top of the vessel is enclosed by a cover part of which is hinged in position
for facilitating the introduction and withdrawal of the perforated copper and tinned
ladles containing the mussels requiring to be boiled and from the fixed part of this
cover rises a perforated steam escape pipe.
I supply this vessel with water from any convenient supply through a stop cock
or valve and thus by setting the water to run in proportion to the steam issuing
from the perforated pipe I am enabled to produce a continuous supply of boiling
water and an apparatus especially useful for boiling mussels.
The improvements are equally applicable in the construction of boilers for
boiling water or other liquid affording a continuous supply perfectly under control-
the materials of construction being modified accordingly.
Dated this 19th day of September 1890.
JOHN G. WILSON,
Patent Office, 55, Market Street, Manchester, Agent for the Applicant.
COMPLETE SPECIFICATION
Improvements in Apparatus for Boiling Mussels, also applicable to
Boilers for Affording a Continuous Supply of Boiling Liquid.
I THOMAS WATSON of 7 and 8 Victoria Market, Manchester, Oyster Dealer,
do hereby declare the nature of my said invention and in what manner the same is
to be performed to be particularly described and ascertained in and by the
following statement :-
In order that this my said invention may be more readily understood and
carried into practical effect I have hereunto annexed a sheet of drawings and will
now proceed to describe the same with the assistance of the various figures and
letters of reference marked thereon.
Fig. 1 is a side exterior view and Fig. 2 a side sectional view of my improved
mussel boiler.
This improved apparatus for boiling mussels consists of an inner vessel a
surrounded by an outer casing a' the intervening space being filled with baywood-
sawdust and alum or other fire resisting composition and non-conductor of heat,

page_text: This inner vessel is composed of lead as being a good conductor of heat and a
material which is little affected by the chemical action of salt water and the outer
casing is lagged with wood on the outside to prevent radiation.
The bottom of this vessel is slightly concave and from or near is crown rises a
leaden tube or flue & which is slightly inclined and carried upwards and terminates
at the top in an enlarged chamber c fitted with a crook or set of crooks d. d. turned
down on to the surface of the liquid.
This tube induces the flame of a Bunsen or other burner e to play upon the
centre of the bottom of the vessel and also acts itself as a heating surface by
reason of the current entering and passing along its interior.
The products of combustion as they pass out of the crooks d, d are
deflected downwards and so utilised for still further heating the liquid and such
products ere the pass out into the atmosphere through the steam escape pipe f
are more or less purified by the action of the steam and so rendered uninjurious to
health.
The top of this vessel is enclosed by the cover y part of which is hinged in
position for facilitating the introduction and withdrawal of the perforated copper
and tinned ladles containing the mussels to be boiled and from the fixed part of
this cover rises the perforated steam escape pipe hereinbefore mentioned. ' is a
receptacle for the mussels to be kept in previous to boiling.
This improved construction of apparatus is equally applicable for giving a con-
tinuous supply of boiling water as illustrated in Figs. 3 & 4, the water supply being
in this case under the control of a ball float valve in the vessel itself as illustrated
or in a separate vessel or cistern situated on the same level therewith.
The leaden tube or flue b in this case is vertical and the cover g formed in one
piece and fastened down, a hole being left to allow of the temperature of the water
being taken as illustrated. The apparatus is fitted with a gauge glass i draw off
cock and overflow pipe k.
j
In this way I produce an improved form of apparatus either for boiling mussels
or for giving a continuous supply of boiling water which may be connected to the
hot water pipes of a conservatory or greenhouse or to any other similar system of
heating apparatus..
In conjunction with this improved water heater I sometimes employ a sieve
placed slightly above the surface of the liquid to catch and collect the heavier
products of combustion.
"
I also sometimes employ a "thermostat ” to automatically regulate the degree of
heat required.
Having thus particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what I
claim is :-
1st. The employment of an inner vessel, composed of suitable material surrounded
by an outer casing filled with non-conducting material provided with a loose cover,
steam pipe and a flue or tube rising from the concave bottom of such vessel
terminating in an enlarged chamber fitted with a crook or set of crooks substan-
tially as and for the purposes hereinbefore described and illustrated on the
accompanying drawing.
Dated this 18th day of June 1891.
JOHN G. WILSON,
Agent for the Applicant.