CERTAIN IMPROVEMENTS IN THE TREATMENT OR PREPARATION OF COTTON VELVETS AND OTHER LOOPED, "RAISED, OR CUT PILE FABRICS, PREVIOUS TO DYEING SUCH FABRICS BLACK
Year: 1864

page_text: LETTERS PATENT to John Mayo Worrall, of Ordsall, in the County
of Lancaster, Dyer and Finisher, and Samuel Cooper, of Openshaw, in
the same County, Dyer, for the Invention of "CERTAIN IMPROVEMENTS
IN THE TREATMENT OR PREPARATION OF COTTON VELVETS AND OTHER LOOPED,
"RAISED, OR CUT PILE FABRICS, PREVIOUS TO DYEING SUCH FABRICS BLACK."
Sealed the 16th August 1864, and dated the 29th February 1864. .
PROVISIONAL SPECIFICATION left by the said John Mayo Worrall at the
Office of the Commissioners of Patents, with his Petition, on the 29th
February 1864.
We,. JOHN MAYO WORRALL, of Ordsall, in the County of Lancaster,
Dyer and Finisher, and SAMUEL COOPER, of Openshaw, in the same County,.
Dyer, do hereby declare the nature of the said Invention for "CERTAIN
IMPROVEMENTS IN THE TREATMENT OR PREPARATION OF COTTON VELVETS AND OTHER
LOOPED, RAISED, OR CUT PILE FABRICS, PREVIOUS TO DYEING SUCH FABRICS BLACK,"
to be as follows:-.
The improvements consist in preparing cut pile, looped, or "raised " fabrics,
with a solution of stannate of soda, aluminate of soda, or other salts of tin or
alumina, previously to submitting the fabric to the ordinary process of dyeing
black, such solutions to be used of any required proportions and strength,
either in combination or separately according to the shades of black desired.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Mayo Worrall in the Great Seal Patent Office on the
29th August 1864.
TO ALL TO WHOM THESE PRESENTS SHALL COME,' we, JOHN
MAYO WORRALL, of Ordsall, in the County of Lancaster, Dyer and Finisher,
and SAMUEL COOPER, of Openshaw, in the same County, Dyer, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-ninth day of February, in the year of our
Lord One thousand eight hundred and sixty-four, in the twenty-seventh year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
us, the said John Mayo Worrall and Samuel Cooper, Her special license
that we, the said John Mayo Worrall and Samuel Cooper, our executors,
administrators, and assigns, or such others as we, the said John Mayo Worrall
and Samuel Cooper, 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 "CERTAIN
IMPROVEMENTS IN THE TREATMENT OR PREPARATION OF COTTON VELVETS, AND OTHER
LOOPED, 'RAISED,' OR CUT PILE FABRICS, PREVIOUS TO DYEING SUCH FABRICS BLACK,"
upon the condition (amongst others) that we, the said John Mayo Worrall
and Samuel Cooper, 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 Inven-
tion, 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 Mayo Worrall, do hereby declare
the nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement (that is to say):
--
The improvements consist in preparing cut pile, looped, or "raised" fabrics
with a solution of stannate of soda, aluminate of soda, or other salts of tin or
alumina, previously to submitting the fabric to the ordinary process of dyeing
black, such solutions to be used of any required proportions and strength,
either in combination or separately, according to the shades of black
desired.

page_text: We would remark that the proportions of the materials used are capable
of considerable variation, but for ordinary purposes the following will be
found available: The stannate of soda should be from four to six degrees
Twaddle, and the sulphuric acid to fix the tins at two degrees Twaddle; wash
off and dye in the ordinary way.
In witness whereof, I, the said John Mayo Worrall, have hereunto set
my hand and seal, this Twenty-seventh day of August, in the year of
our Lord One thousand eight hundred and sixty-four.
10 Witnessed by
JOHN L. DAVIES,
Office for Patents,
4, St. Ann's Sq, Manchester.
JNO. M. WORRALL. (L.S.)