IMPROVED COM- POSITIONS FOR PREVENTING INCRUSTATION AND CORROSION IN STEAM BOILERS AND CONDENSERS
Year: 1863

page_text: LETTERS PATENT to Charles Henry Townsend and James Young, both
of the City of Bristol, Engineers, for the Invention of "IMPROVED COM-
POSITIONS FOR PREVENTING INCRUSTATION AND CORROSION IN STEAM BOILERS
AND CONDENSERS."
Sealed the 10th July 1868, and dated the 13th January 1863.
PROVISIONAL SPECIFICATION left by the said Charles Henry Townsend
and James Young at the Office of the Commissioners of Patents, with
their Petition, on the 18th January 1868.
We, CHARLES HENRY TOWNSEND and JAMES YOUNG, both of the City of
Bristol, Engineers, do hereby declare the nature of the said Invention for
"IMPROVED COMPOSITIONS FOR PREVENTING INCRUSTATION AND CORROSION IN STEAM
BOILERS AND CONDENSERS," to be as follows:-
Our compositions may be applied in a state of powder or liquid, and they.

page_text: to the waters used in the boilers, but we have found the following to answer for
most waters other than salt water :-
1. Valonia 20 parts, outer part of the cork tree 10 parts, and shumac
1 part.
2. Valonia 18 parts, outer bark of the cork tree 6 parts.
3. Outer bark of the cork tree and shumac in equal parts.
We grind the valonia and bark and mix the shumac with them, and use
the composition dry; or we boil the ground substances together and use the
solution.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Charles Henry Townsend and James Young in the Great Seal
Patent Office on the 13th July 1868.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, CHARLES
HENRY TOWNSEND and JAMES YOUNG, both of the City of Bristol, Engineers,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, hearing date the Thirteenth day of January, in the year of our Lord
One thousand eight hundred and sixty-three, in the twenty-sixth year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
us, the said Charles Henry Townsend and James Young, Her special licence,
that we, the said Charles Henry Townsend and James Young, our executors,
administrators, and assigns, or such others as we, the said Charles Henry
Townsend and James Young, our 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 "IM-
PROVED COMPOSITIONS FOR PREVENTING INCRUSTATION AND CORROSION IN STEAM
BOLLERS AND CONDENSERS," upon the condition (amongst others) that we, the
said Charles Henry Townsend and James Young, or one of us, our executors
or administrators, by an instrument in writing under our, or one of our, 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 Seal
Patent Office within six calendar months next and immediately after the date
of the said Letters Patent.

page_text: NOW KNOW YE, that we, the said Charles Henry Townsend and James
Young, do hereby declare the nature of our said Invention, and in what
manner the same is to be performed, to be particularly described and
ascertained in and by the following statement thereof, that is to say:―
Our compositions may be applied in a state of powder or liquid, and they
manner the same is to be performed, to be particularly described and
ascertained in and by the following statement thereof, that is to say :-
Our compositions may be applied in a state of powder or liquid, and they
concist as follows:
1. Valonia, bark of the cork tree, and shumac.
2. Valonia and bark of the cork tree.
3. Bark of the cork tree and shumac.
The proportions of the above several compositions may be varied according
to the waters used in the boilers, but we have found the following to answer
for most waters other than salt water :-
1. Valonia 20 parts, bark of the cork tree 10 parts, and shumac
1 part
2. Valonia 18 parts, bark of the cork tree 6 parts.
3. Bark of the cork tree and shumac in equal parts.
We grind the valonia and bark, and mix the shumac with them, and use
the composition dry; or we boil the ground substances together and use the
solution.
And having now described the nature of our said Invention, and in what
manner the same is to be performed, we declare that we claim the compo "ons
for preventing incrustation and corrosion in steam boilers and condensers,
herein-before described.
In witness whereof, we, the said Charles Henry Townsend and James
Young, have hereunto set our hands and seals, this Tenth day of
July One thousand eight hundred and sixty-three.
CHARLES HENRY TOWNSEND.
(L.D.)
JAMES YOUNG.
(L.S.)