AN IMPROVED APPARATUS FOR HEATING FLUIDS
Year: 1857

page_text: LETTERS PATENT to Andrew Barclay Walker, of Liverpool, in the
County of Lancaster, Wine and Spirit Merchant, for the Invention of
"AN IMPROVED APPARATUS FOR HEATING FLUIDS."
Sealed the 24th July 1857, and dated the 14th February 1857.
PROVISIONAL SPECIFICATION left by the said Andrew Barclay Walker
at the Office of the Commissioners of Patents, with his Petition, on the
14th February 1857.
I, ANDREW BARCLAY WALKER, of Liverpool, in the County of Lancaster,
Wine and Spirit Merchant, do hereby declare the nature of the said Inven-
tion for "AN IMPROVED APPARATUS FOR HEATING FLUIDS," to be as follows:- :
The nature of my Invention consists in an improved apparatus for heating
fluids by the admission of steam. This apparatus, consists of a closed vessel
containing water, which is heated by gas or other means. To the top of the
closed vessel is applied a tube furnished with a tap; the tube is conveyed into
the fluid to be heated, and when the tap is opened the steam imparts the
requisite heat to the fluid. This apparatus is particularly suitable for mulling
wine or beer, or for heating spirits and water. In order to keep a regular
supply of water in the closed vessel, I apply a supply pipe thereto, having a tap
acted upon by a floater; the closed vessel is also provided with a safety valve
and a pipe to allow for the escape of the surplus steam.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Andrew Barclay Walker in the Great Seal Patent Office on
the 12th August 1857.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ANDREW
BARCLAY WALKER, of Liverpool, in the County of Lancaster, Wine and Spirit
Merchant, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fourteenth day of February, in the year of our
Lord One thousand eight hundred and fifty-seven, in the twentieth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Andrew Barclay Walker, Her special licence that I, the said Andrew
Barclay Walker, my executors, administrators, and assigns, or such others
as I, the said Andrew Barclay Walker, my executors, administrators, and
assigns, should at any time agree with, and no others, from time to time and
at all times thereafter during the term therein expressed, should and lawfully
might make, use, exercise, and vend, within the United Kingdom of Great
Britain and Ireland, the Channel Islands, and Isle of Man, an Invention
for "AN IMPROVED APPARATUS FOR HEATING FLUIDS," upon the condition
(amongst others) that I, the said Andrew Barclay Walker, my executors or
administrators, by an instrument in writing under my, or their, or one of their
hands and seals, should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and cause
the same to be filed in the Great Scal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Andrew Barclay Walker, 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 (that is to say) :-
The nature of my Invention consists in an improved apparatus for heating
wine, beer, spirits, and water and other beverages. And in order that my
Invention may be fully understood and readily carried into effect, I will
proceed to describe the accompanying Drawing, which represents a section in
perspective of my improved apparatus. a is the boiler, which is made
sufficiently strong to resist the pressure of the steam generated therein; b is a
tap and float to regulate the quantity of water admitted to the boiler by the
supply pipe c; d is a small safety valve connected to the lid of the boiler to
allow the steam to blow off when the pressure becomes too great'; e is a tube to
convey the steam from the boiler a into the fluid to be heated; f is a tap in

page_text: the tube e; and g is a rose at the end of the tube to distribute the steam in
the fluid to be heated; h is a circle of gas jets for heating the water in the
boiler.
I wish to remark that I do not confine myself to the use of gas for heating
the water in the boiler, but prefer it in apparatuses of small dimensions. In
some cases the boiler may be placed in another apartment, and heated by
coal or otherwise; the tube e would then be conveyed to the table or counter
where it is required. The fluid to be heated is placed in a glass or other
vessel, as shewn at i, and the steam is admitted by turning the tapf; the
steam imparts its heat to the fluid, and becomes condensed immediately on
entering it. By this apparatus is is evident that wine and beer may be
mulled and spirits and water heated in a very short time and with the greatest
cleanliness.
Having thus particularly described the nature of my Invention, and the
manner of carrying it into operation, I declare that I claim the application of
steam for heating beverages, as described, or any modification of apparatus for
effecting the same object.
In witness whereof, I, the said Andrew Barclay Walker, have here-
unto set my hand and seal, this Tenth day of August, in the year
of our Lord One thousand eight hundred and fifty-seven.
AND D. WALKER. (L.S.)