AN IMPROVED METHOD OF BLEACHING AND WHITENING FIBRES AND FABRICS
Year: 1860

page_text: LETTERS PATENT to James Marsden, of No. 75, Turamill Street,
Clerkenwell, in the County of Middlesex, for the Invention of "AN
IMPROVED METHOD OF BLEACHING AND WHITENING FIBRES AND FABRICS OF
Sealed the 16th April 1861, and dated the 19th October 1860.
PROVISIONAL SPECIFICATION left by the said James Marsden at the
Office of the Commissioners of Patents, with his Petition, on the
19th October 1860.
I, JAMES MARSDEN, of No. 75, Turnmill Street, Clerkenwell, in the
County of Middlesex, do hereby declare the nature of the said Invention
for "AN IMPROVED METHOD OF BLEACHING AND WHITENING FIBRES AND FABRICS
OF VARIOUS KINDS," to be as follows:-
First, immerse the fibre or fabrics in a solution of clorine until all the
vegetable colour diasappears; second, immerse the fibre or fabrics in a
solution of hydrocloric acid until all animal or metallic colouring is destroyed;
third, wash the fibre or fabrics thoroughly, using soap and soda in the usual
manner; by these means and process the result is obtained, namely, the
decolouring, bleaching, and perfect whitening of the coloured fibre, fabrics,
garments, & rags without injury to the materials of which they are composed.

page_text: WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent bearing date the Nineteenth day of October, in the year of our
Lord One thousand eight hundred and sixty, in the twenty-fourth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto
ine, the said James Marsden, Her special licence that I, the said James
Marsden, my executors, administrators, and assigns, or such others as I, the
said James Marsden, 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 "AN IMPROVED
METHOD OF BLEACHING FIBRES AND FABRICS OF ALL KINDS," upon the condition
(amongst others) that I, the said James Marsden, my executors or admi-
nistrators, 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 James Marsden, do hereby declare
the nature of my 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 say :-
Immerse the fabrics in a solution of clorine until all the vegetable and
animal colouring disappears; or immerse the fabrics in water, wring them out,
and then pile or hang them lightly up in vessels or chambers of any suitable
size or description, then pour, force, or infuse the clorine gas into the vessel or
chamber; in this manner and by these means, clorine gas and water used and
applied as herein set forth, all vegetable and animal colouring is destroyed
without the slightest injury to the texture of the fabrics.
JAMES MARSDEN. (18)
JAMES MARSDEN. (19)