A NEW Com. POSITION, SUITABLE FOR USE AS PAINT AND PROTECTIVE COATING
Year: 1865

page_text: LETTERS PATENT to John Gilbert Avery, of Regent Street, in the
County of Middlesex, Gentleman, for the Invention of "A NEW Com.
POSITION, SUITABLE FOR USE AS PAINT AND PROTECTIVE COATING."-A com-
munication-from abroad by William Potter, of Saratoga, in the United
States of America.
Sealed the 20th February 1866, and dated the 22nd August 1865.
PROVISIONAL SPECIFICATION left by the said John Gilbert Avery
at the Office of the Commissioners of Patents, with his. Petition, on the
22nd August 1865.
I, JOHN GILBERT AVERY, of Regent Street, in the County of Middlesex,
Gentleman, do hereby declare the nature of the said Invention for " "A NEW
COMPOSITION SUITABLE FOR USE AS PAINT AND PROTECTIVE COATING," to be as
follows':
This composition consists of slate ground to a powder more or less fine
according to the use for which the composition is intended, mixed with some
such glutinous waterproof material as coal tar, gas tar, oil, or paint to such
consistence that it may be spread with a brush or applied by a trowel.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Gilbert Avery in the Great Seal Patent Office on the
22nd February 1866.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
GILBERT AVERY, of Regent Street, in the County of Middlesex, Gentleman,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-second day of August, in the year of our Lord
One thousand eight hundred and sixty-five, in the twenty-ninth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said John Gilbert Avery, Her special licence that I, the said John
Gilbert Avery, my executors, administrators, and assigns, or such others
as I, the said John Gilbert Avery, 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 "A NEW COMPOSITION SUITABLE FOR USE AS PAINT AND PROTECTIVE
COATING," (communicated to me from abroad by William Potter, of Saratoga,
in the United States of America,) upon the condition (amongst others) that
I, the said John Gilbert Avery, my executors or administrators, by an instru-
ment 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 John Gilbert Avery, 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 composition consists of slate ground, to a powder more or less fine
according to the use for which the composition is intended mixed with some
such glutinous waterproof material as coal tar, gas tar, oil, or paint to such con-
sistence that it may be spread with a brush or applied by a trowel. When to
be used for roofing the composition should be mixed to the consistence of thin
mortar, which may be applied to paper, canvas, or similar material either
before or after such paper or material has been attached to the roof.
for covering the sides of buildings and other similar purposes, the composition
When

page_text: should be mixed to the consistence of common paint and applied by an
ordinary brush. The color of the composition may be changed if desired by
mixing other colors with it.
And having now described the nature of the said Invention, and in what
manner the same is to be performed, I declare that I claim the new com-
position, herein-before described, suitable for use as paint and protective
coating.
In witness whereof, I, the said John Gilbert Avery, have hereunto set
my hand and seal, this Twenty-first day of February, One thousand
eight hundred and sixty-six.
JOHN G. AVERY. (LS.)