AN IMPROVED COMPOSITION FOR PRESERVING WOOD, METAL, STONE, BRICK, PAPER, TEXTILE AND FELTED FABRICS, CORDAGE AND CABLES
Year: 1872

page_text: LETTERS PATENT to William Morgan-Brown, of the Firm of Brandon
and Morgan-Brown, Engineers and Patent Agents, of 38, South-
ampton Buildings, London, and 13, Rue Gaillon, Paris, for the
Invention of "AN IMPROVED COMPOSITION FOR PRESERVING WOOD, METAL,
STONE, BRICK, PAPER, TEXTILE AND FELTED FABRICS, CORDAGE AND
CABLES." A communication from abroad by Frédéric-Oscar Möller,
of 22, Rue Lavoisier, Paris.
Sealed the 18th March 1873, and dated the 17th October 1872.
PROVISIONAL SPECIFICATION left by the said William Morgan-Brown
at the Office of the Commissioners of Patents, with his Petition, on
the 17th October 1872.
I, WILLIAM MORGAN-BROWN, of the Firm of Brandon and Morgan-
Brown, Engineers and Patent Agents, of 38, Southampton Buildings,
London, and 13, Rue Gaillon, Paris, do hereby declare the nature of the
said Invention for "AN IMPROVED COMPOSITION FOR PRESERVING WOOD, METAL,
STONE, BRICK, PAPER, TEXTILE AND FELTED FABRICS, CORDAGE, AND CABLES," to
be as follows:-

page_text: and is composed of a mixture of gas tar, argilaccous marl purified by
burning or carbonising, acetate of lead, alum, and sulphate of ammonia.
The marl, acctate of lead, alum, and sulphate of ammonia, previously
reduced to fine powder, are mixed with the gas tar in the following
proportions, (per centage of the mass,) and which I find to give good
results, though other proportions may be used and varied slightly
according to the material to which the composition is to be applied as a
proserver
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Morgan-Brown in the Great Seal Patent
Office on the 17th April 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
MORGAN-BROWN, of the Firm of Brandon and Morgan-Brown, Engineers
and Patent Agents, of 38, Southampton Buildings, London, and 13, Rue
Gaillon, Paris, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Seventeenth day of October, in the year
of our Lord One thousand eight hundred and seventy-two, in the thirty-
sixth year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said William Morgan-Brown, Her special license
that I, the said William Morgan-Brown, my executors, administrators,
and assigns, or such others as I, the said William Morgan-Brown, my
executors, administrators, and assigns, should at any time agree with,

page_text: 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
COMPOSITION FOR PRESERVING WOOD, METAL, STONE, BRICK, PAPER, TEXTILE AND
FELTED FABRICS, CORDAGE, AND CABLES," a communication to me from abroad
by Frederic Oscar Möller, of 22, Rue Lavoisier, Paris, upon the condition
(amongst others) that I, the said William Morgan-Brown, 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 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 William Morgan-Brown, do hereby
declare the nature of the 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 :—
This Invention has for its object a composition for preserving wood,
metal, stone, brick, paper, textile and felted fabrics, cordage, and
cables, and is composed of a mixture of gas tar, argilaceous marl
purified by burning or carbonizing, acetate of lead, alum, and sulphate
of ammonia.
The marl, acetate of lead, alum, and sulphate of ammonia, previously
reduced to fine powder, are mixed with the gas tar in the following
proportions, (per centage of the mass, and which I find to give good
results, through other proportions may be used and varied slightly,
according to the material to which the composition is to be applied as a
preserver.
Gas tar
5 non cont

page_text: It rapidly dries, and in a few hours the articles coated with it may be
submerged in water either fresh or salt.
Having now described and particularly set forth the nature of the
said Invention, and the manner of carrying the same into effect, I would
have it understood that what I claim is, the composition for preserving
wood, metal, stone, brick, paper, textile and felted fabrics, cordage, and
cables, substantially as described.
In witness whereof, I, the said William Morgan-Brown, have
hereunto set my hand and seal, this Sixteenth day of April, in
the year of our Lord One thousand eight hundred and seventy-
three.
WILLIAM MORGAN-BROWN. (L.S.)