IMPROVEMENTS IN THE PRODUCTION OF TURKEY RED
Year: 1872

page_text: LETTERS PATENT to Alexander Campbell Duncan and Archibald
Duncan, of the City of Manchester, in the County of Lancaster,
for the Invention of "IMPROVEMENTS IN THE PRODUCTION OF TURKEY
RED."
PROVISIONAL SPECIFICATION left by the said Alexander Campbell
Duncan and Archibald Duncan at the Office of the Commissioners
of Patents, with their Petition, on the 6th September 1872.
We, ALEXANDER CAMPBELL DUNCAN and ARCHIBALD DUNCAN, of the
City of Manchester, in the County of Lancaster, do hereby declare the
nature of the said Invention for "IMPROVEMENTS IN THE PRODUCTION OF
TURKEY RED," to be as follows:-
This Invention consists,―
First. In the application of the mordant to the surface of one side of
the cloth prepared for Turkey red, instead of to both sides as hitherto
adopted, and then cleansing and dyeing.
Secondly. In the application to the surface of one side of the cloth
vonored by mixing the mordant with
M

page_text: the colouring matter of madder, or with artificial alizarine, and then
steaming the goods which have been thus covered with colour; the
methods of applying colour to the surface of cloth being technically
known as surface padding, and effected by means of engraved rollers.
Thirdly. The application of objects, or patterns, or parts of designs in
colour, composed of the mordant and the colouring matter of madder or
artificial alizarine to one side of cloth prepared for Turkey red, and then
fixing the colour by steaming. Or in all cases the colouring matter of
madder or artificial alizarine may be applied to one side of the cloth by
an engraved roller or otherwise after the cloth has been prepared for
Turkey red and mordanted on one side or both sides. Other colors
besides red, such as black, blue, green, orange, yellow, and other colors
may be printed at the same time as the red on cloth prepared for Turkey
red, mordanted or unmordanted.
SPECIFICATION in pursuance of the conditions of the Letters Patent
filed by the said Alexander Campbell Duncan and Archibald
Duncan in the Great Seal Patent Office on the 6th March 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, ALEXANDER
CAMPBELL DUNCAN and ARCHIBALD DUNCAN, of the City of Manchester,
in the County of Lancaster, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Sixth day of September, 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 us, the said Alexander Campbell Duncan and Archibald
Duncan, Her special license that we, the said Alexander Campbell
Duncan and Archibald Duncan, our executors, administrators, and
assigns, or such others as we, the said Alexander Campbell Duncan and
Archibald Duncan, 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

page_text: Great Britain and Ireland, the Channel Islands, and Isle of Man, an
Invention for "IMPROVEMENTS IN THE PRODUCTION OF TURKEY RED," upon the
condition (amongst others) that we, the said Alexander Campbell
Duncan and Archibald Duncan, our executors or administrators, by an
instrument in writing under 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.
NOW KNOW YE, that we, the said Alexander Campell Duncan and
Archibald Duncan, 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 (that is to
sav):_
First. In the application of the red mordant to the surface of one side
of cloth prepared for Turkey red, instead of to both sides as hitherto
adopted, and then cleansing and dyeing it with the colouring matter of
madder, or with artificial alizarine, or artificial madder.
Secondly. In the application to the surface of one side of cloth
prepared for Turkey red, of colour prepared by mixing the red mordant
with the colouring matter of madder, or with artificial alizarine, or arti-
ficial madder, and then steaming the goods so covered with colour.
Thirdly. In the application to cloth prepared for Turkey red, of
objects, or patterns, or parts of patterns, in colour composed of mordant,
and the coloring matter of madder, or of mordant and artificial
alizarine, or artificial madder, and then fixing the colour by steaming.
Fourthly. In the application to the surface of one side of cloth
prepared for Turkey red, and mordanted with red mordant, of colour
prepared with the coloring matter of madder, or with artificial alizarine,
or artificial madder, and then fixing the colour so applied by steaming.
Fifthly. In the application to cloth prepared for Turkey red, of colour
composed of mordant, and the colouring matter of madder, or of mordant
and artificial alizarine or artificial madder, together with other colours,
such as black, green, blue, yellow, orange, brown, violet, and then fixing
the colours so applied by steaming.
1.

page_text: The application of the mordant or of the colour all over the surface of
the cloth may be done by rollers engraved for the purpose in the usual
way, and the application of the colours in objects or designs may be done
by engraved rollers or by blocks..
After dyeing the goods may be soaped and cleaned, or after steaming
when the colours are fixed by steaming the goods may be soaped and
cleaned.
In witness whereof, we, the said Alexander Campbell Duncan and
Archibald Duncan have hereunto set our hands and seals, this
Fourth day of March, in the year of our Lord One thousand eight
hundred and seventy-three.
Signed, sealed, and delivered by the .
within-named Alexander Camp-
bell Duncan and Archibald
Duncan, in the presence of
G. SEPTIMUS HUGHES,
Patent Agent,
Manchester.
ALEX. C. DUNCAN. (L.S.)
ARCH. DUNCAN.
(L.S.)