IMPROVEMENTS IN PREVENTING THE INCRUSTATION OF STEAM BOILERS AND REMOVING INCRUS- TATION THEREFROM WHEN FORMED
Year: 1863

page_text: LETTERS PATENT to William Charles Page, of Millwall, Poplar, in the
County of Middlesex, Engine Driver, for the Invention of "IMPROVEMENTS
IN PREVENTING THE INCRUSTATION OF STEAM BOILERS AND REMOVING INCRUS-
TATION THEREFROM WHEN FORMED."
Sealed the 16th February 1864, and dated the 7th December 1868.
PROVISIONAL SPECIFICATION left by the said William Charles Page
at the Office of the Commissioners of Patents, with his Petition, on the
7th December 1863.
I, WILLIAM CHARLES PAGE, of Millwall, Poplar, in the County of Middlesex,
Engine Driver, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN PREVENTING THE INCRUSTATION OF STEAM BOILERS AND
REMOVING INCRUSTATION THEREFROM WHEN FORMED," to be as follows:-
This Invention relates to the preparation and use of a compound which will
prevent or destroy the tendency of calcareous and other deposits in steam
boilers to form a hard crust on the bottom and sides thereof, and thereby

page_text: retarding the transmission of heat to the interior of such boilers. To this end
I take an oily liquid, as creosote or its equivalent, whether obtained from
animal, vegetable, or mineral substances, and mix the same with muriate of
ammonia (salammoniac) and carbonate of soda, caustic soda, or potash, or
their equivalent, in the proportions, say, for example, of 1 ounce of muriate of
ammonia, and 1 ounce of soda or potash to 16 ounces of creosote. The liquid
compound thus formed I discharge in suitable quantities into marine or land
boilers, and thus effectually prevent the solid concretion of the calcareous,
saline, or other particles deposited by the water supplied to the boiler. This
compound I can also apply with good effect to furred or incrusted boilers, its
action being to effect the speedy disintegration of the calcareous or other
coating.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said William Charles Page in the Great Seal Patent Office on
the 7th June 1864.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
CHARLES PAGE, of Millwall, Poplar, in the County of Middlesex, Engine
Driver, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Seventh day of December, in the year of our Lord
One thousand eight hundred and sixty-three, in the twenty-seventh year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
me, the said William Charles Page, Her special license that I, the said
William Charles Page, my executors, administrators, and assigns, or such
others as I, the said William Charles Page, my executors, administrators,.
and assigns, should at any time agree with, and no others, from time to time
and 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 PREVENTING THE INCRUSTATION OF STEAM
BOILERS AND REMOVING INCRUSTATION THEREFROM WHEN FORMED," upon the con-
dition (amongst others) that I, the said William Charles Page, by an instru-
ment in writing under my hand and seal, 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 Seal Patent

page_text: Office within six calender months next and immediately after the date of the
said Letters Patent.
NOW KNOW YE, that I, the said William Charles Page, 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 object of this Invention is to prepare a liquid compound which, when
applied to steam boilers, will destroy the tendency for calcareous and other
deposits from the feed water to form into a hard crust within or fur the sides
and bottom of such boilers, and thereby retard the transmission of heat to the
water contained therein. In the preparation of a liquid compound suitable
for boilers in which hard water is used I take the oily liquid commonly known
as creosote and mix therewith a solution of muriate of ammonia (salammoniac)
and of carbonate of soda, or caustic soda, or potash, or the equivalent therefor,
in the following proportions and manner (thai, to say), to sixteen pounds of
creosote contained in an iron pot and raised to a temperature of about eighty
degrees to ensure its fluidity, I add one pound of muriate of ammonia dissolved
in one gallon of water with the application of heat. While the muriate of
ammonia is being poured in I facilitate the admixture by stirring, and continue
the heat to the pot so that the contents may just simmer. When a thorough
admixture has been effected I add to the contents of the iron pot one pound
of soda ash and mix the same with the compound by stirring, continuing the
simmering heat until a thorough admixture takes place. When this has been
effected I run off the liquid compound into suitable receptacles, from which it
may be removed for sale or use. The liquid compound thus prepared I
discharge in suitable quantities into either marine or land boilers in the pro-
portion of about one quart of the compound to every horse power given out
by the engines supplied with steam from the boilers. In boilers used for
supplying condensing engines with steam this charge of liquid compound will
last from six to eight weeks. I would also remark that the liquid compound
may be used with good effect in boilers already furred or incrusted with marine
or calcareous deposit, as the creosote has a penetrating power and speedily
effects the disintegration of the calcareous or other coating. When the water
used in the boiler is not of the character known as hard, I omit the use of the
soda ash or the equivalent alkali.
Having now set forth the nature of my Invention of "Improvements in
preventing the incrustation of steam boilers and removing incrustation there-
from when formed, and explained the manner of carrying the same into effect,

page_text: I wish it to be understood that I claim the preparation of liquid compounds
as above described for preventing and removing incrustation in steam boilers.
In witness whereof, I, the said William Charles Page, have hereunto set
my hand and seal, the Seventh day of June, in the year of our Lord
One thonsand eight hundred and sixty-four.
Witness,
J. W. MOFFATT,
66, Chancery Lane.
W. C. PAGE. (Ls.)