IMPROVEMENTS IN THE METHOD OF PURIFYING WATER FOR STEAM BOILERS AND OTHER PURPOSES
Year: 1852

page_text: LETTERS PATENT to Charles Walker, of Heap Bridge, near Bury,
in the County of Lancaster, Engineer, for the Invention of
"IMPROVEMENTS IN THE METHOD OF PURIFYING WATER FOR STEAM
BOILERS AND OTHER PURPOSES."
Sealed the 31st May 1853, and dated the 1st December 1852.
PROVISIONAL SPECIFICATION left by the said Charles Walker at
the Office of the Commissioners of Patents, with his Petition,
on the 1st December 1852.
I, CHARLES WALKER, do hereby declare the nature of the said
Invention for "IMPROVEMENTS IN THE METHOD OF PURIFYING WATER FOR
STEAM BOILERS AND OTHER PURPOSES" to be as follows:-
My Invention consists in the use of a vessel to be suspended within
steam boilers, or other apparatus containing water, such vessel
being supplied with purifying matters suited to the nature of the
impurities contained in the water. The vessel I use is perforated
with numerous holes, so as to admit the water, and enable it to
mingle with the contents; and, in order to effect this more perfectly,
I connect the vessel with a float, which, by rising or falling accord-

page_text: ing to the agitation of the water, effects a shaking action, and thus
accomplishes the desired object. The precipitated impurities fall
to the bottom of the boiler, &c., and, as they are loose, may be
SPECIFICATION in pursuance of the conditions of the Letters
Patent, filed by the said Charles Walker in the Great Seal
Patent Office on the 1st June 1853.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
CHARLES WALKER, of Heap Bridge, near Bury, in the County of
Lancaster, Engineer, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the First day of December, in the year
of our Lord One thousand eight hundred and fifty-two, in the six-
teenth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Charles Walker, Her especial licence
that I, the said Charles Walker, my executors, administrators, and
assigns, or such others as I, the said Charles 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 " IMPROVEMENTS
IN THE METHOD OF PURIFYING WATER FOR STEAM BOILERS AND OTHER PUR-
POSES," upon the condition (amongst others) that I, the said Charles
Walker, by an instrument in writing under ny hand and seal, should
particularly describe and ascertain the nature of the said Invention,
and in what manner the same was to be perforined, and cause the
same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Charles 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

page_text: in and by the following statement and accompanying Drawings
(that is to say):
My Invention consists in the use of a vessel, to be suspended
within steam boilers, or other apparatus containing water, such
vessel being supplied with purifying matters suited to the nature of
the impurities contained in the water. The vessel I use is perforated
with numerous holes, so as to admit the water, and enable it to
mingle with the contents, and, in order to effect this more perfectly,
I connect the vessel with a float, which, by rising or falling accord-
ing to the agitation of the water, effects a shaking action, and thus
accomplishes the desired object. In the accompanying Drawing,
Fig. 1, represents a plan view of the apparatus I employ for
purifying the water of steam boilers; and Fig. 2, is a cross section
of the same taken in the line A, B. A cylindrical vessel a,
is per-
forated with a number of holes b, extending around the greater
portion of its circumference, and it is also provided with a cover c,
turning upon hinges, so as to be opened at pleasure. This vessel
has axes d, d, which are mounted, so as to be capable of turning in
arms e, e; the extremities of which are attached to a stay of the
boiler or other part adapted thereto. On the other side of the
cylindrical vessel is an arın, provided with a ball f, which, when the
water is at the general level, as shewn in the Drawing, floats thereon,
and by being caused to rise and full through the agitation of the
water, effects a partial turning of the vessel a, backward and for-
ward. At the upper side of the cylindrical vessel are two appertures
1,9, opening into chambers h, which extend downwards, and are
provided with bottoms perforated with a number of holes. The
purifying substances to be used, as zinc, turf, bark, or other
matters known to prevent incrustation, are placed in the vessel a,
and the lid c, is then closed; as the ball rises and falls, the oscillation
of the vessel will agitate the contents, so as to bring them into
connection with the water, which is constantly entering through and
passing out by the perforations, and this action is assisted by steam
entering the vessel a, through the holes g, and chambers h. The
size of the apparatus will of course vary according to the size of

page_text: the boiler, or quantity of water to be purified, and it will be evident
that the form thereof may be varied to a considerable extent; and
although I have described the use of a float for causing the contents
of the vessel to be agitated, I do not intend to confine myself
thereto; that which I claim as secured to me being the adaptation
of a vessel suspended within steam boilers, or other apparatus for
the purpose above set forth.
In witness whereof, I, the said Charles Walker, have hereunto
set my hand and seal, this Thirtieth day of May, in the year
of our Lord One thousand eight hundred and fifty-three.