IMPROVEMENTS IN TREATING MIXED FABRIC RAGS CONTAINING VEGETABLE AND ANIMAL FIBRE, AND KNOWN IN THE TRADE AS LINSEY SKIRTINGS, SHALLIES, FRIZE, SERGE, EXTRACT WOOL, SHODDIES, AND WASTE, TO DESTROY THE COTTON AND OBTAIN A YELLOW COLOB, AND GIVE & MILLING OR FELTING PROPERTY TO EXTRACT RAGS AND EXTRACT MATERIAL
Year: 1864

page_text: PROVISIONAL SPECIFICATION left by George Rydill at the Office of
the Commissioners of Patents, with his Petition, on the 11th June
1864.
I, GEORGE RYDILL, of Dewsbury, in the County of York, do hereby declare
the nature of the said Invention for "IMPROVEMENTS IN TREATING MIXED FABRIC
RAGS CONTAINING VEGETABLE AND ANIMAL FIBRE, AND KNOWN IN THE TRADE AS
LINSEY SKIRTINGS, SHALLIES, FRIZE, SERGE, EXTRACT WOOL, SHODDIES, AND WASTE,
TO DESTROY THE COTTON AND OBTAIN A YELLOW COLOB, AND GIVE & MILLING OR
FELTING PROPERTY TO EXTRACT RAGS AND EXTRACT MATERIAL," to be as
follows:-
This Invention has for its object the destroying of cotton threads in woollen
rags, and changing the color of black and other colored rags, known as woollen
and cotton rags, woollen frize, serge, linsey skirtings or shallies, stuffs, bodies,
extract wool, or shoddies, and changing color from a dark or light shade into
a beautiful orange, yellow, or fawn colour by means of nitric acid and water.
To destroy cotton in woollen cloth rags, or linsey rags, and obtain a beautiful
orange, yellow, or fawn colour at one and the same time, I place the dark or
light shaded rags or extract wool or shoddy into a hot solution of nitric acid
and water, and allow the same to remain for a short time according to the heat
and strength of the liquid until an orange, yellow, or fawn colour is produced;
I then raise the rags, extract wool, or shoddy to be freed from the liquid
I then place the same in a solution of alum water for a short time in order to
charge the hollow tube of the woollen hair; after charging with alum water,

page_text: I place the rags, extract wool, or shoddy into an alkali of soda ash, which
perfectly removes the acid, and gives the rags, extract wool, or shoddy a
milling property.
Rags, extract wool, shoddy, or waste I steep in a cold solution of nitric
acid and water; I then raise and dry in a hot stove or room, or by any other
means, and on the rags, extract wool, shoddy, or waste becoming dry a
beautiful orange, yellow, or fawn colour is obtained; I then steep the same, as
before, in alum water, and then into an alkali of soda ash and wash.. I also
extract the cotton in woollen rags, frize, serges, linsey skirtings, or shallies,
stuffs, bodies, extract wool, or waste by the ordinary method, a sulphuric
acid, or spirit of salt and water, raise, drain, and dry; and if not required to
change the color into an orange, fawn, or yellow colour, for the manufacturing
into yellow horse blankets, I charge the woollen hairs with alum water, and
then wash off in a solution of soda ash and water to give it the milling or
felting property.
The object of this Invention is to secure the 'right of changing the color of
black and other dark or light shades of woollen rags, frize, serges, linsey
skirtings or shallies, stuffs, bodies, extract wool, or waste into an orange colour,
yellow, or fawn colour by means of nitric acid, and of giving to woollen
extracted rags or woollen material extracted by acids a milling or feling
property by the use of alum water, charging the hollowness of the hair, and
cleaning out or away the acid when brought in contact with an acid.