AN IMPROVED METHOD OF TWISTING THREADS
Year: 1865

page_text: LETTERS PATENT to Richard Archibald Brooman, of 166, Fleet Street,
in the City of London, Patent Agent, for the Invention of "AN IMPROVED
METHOD OF TWISTING THREADS." -A communication from abroad by
Désiré Sival and Léon Sival, of Roubaix, France.
PROVISIONAL SPECIFICATION left by the said Richard Archibald
Brooman at the Office of the Commissioners' of Patents, with his Petition,
on the 19th August 1865.
I, RICHARD ARCHIBALD BROOMAN, of 166, Fleet Street, in the City of
London, Patent Agent, do hereby declare the nature of the said Invention
for "AN IMPROVED METHOD OF TWISTING THREADS," to be as follows:-
This Invention consists in a new method of twisting threads together,
whether they are mounted on rollers or bobbins and actuated by bars jac-
quarded or not, or whether they are mounted on carriages jacquarded or
not. Take for example the torsion of two roller threads with one carriage
thread. Suppose two roller threads at the left of a carriage thread, I
commence (1) by passing the two roller threads over the carriage thread
and (2) under. Then either of the two threads is passed (3) over the carriage
thread and the other (4) under; this being effected' the two roller threads
are passed (5) over, then (6) under the carriage thread, and the torsion of
the two roller threads is thus complete. According to the number of twists
required the operations (1), (2), and (5), (6) are repeated a greater or less
number of times. Although one carriage thread is sufficient to obtain the
twisting of the roller threads two or a greater number may be employed,

page_text: together or separately, according to the effect or pattern to be produced. The
two roller threads may be at the right instead of at the left of the carriage
thread, and they may be passed' first under instead of over, according to
whether the twist is required to be right or left. These observations also
apply to the following example:-
To twist two carriage threads with one roller thread. Suppose the two
carriage threads at the left of the roller thread, I pass the roller thread (1)
over and (2)-under the two carriage threads; I next pass the roller thread
(3) over (1) and (4) under the other; then I pass the roller thread (5) over
and (6) under the two carriage threads, and the torsion is thus completed.
As in the other example, the operations (1), (2), and (5), (6) are repeated
according to the number of twists required.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Richard Archibald Brooman in the Great Seal Patent Office
on the 19th February 1866.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, RICHARD
ARCHIBALD BROOMAN, of 166, Fleet Street, in the City of London, Patent
Agent, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Nineteenth 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 Richard Archibald Brooman, Her special licence that I, the said Richard
Archibald Brooman, my executors, administrators, and assigns, or such. others
as I, the said Richard Archibald Brooman, 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 TWISTING THREADS," (communicated to me from.
abroad by Désiré Sival and Léon Sival, of Roubaix, France), upon the con-
dition (amongst others) that I, the said Richard Archibald Brooman, my
executors or administrators, 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

page_text: Letters Patent.
1: NOW KNOW YE, that I, the said; Richard Archibald-Brooman, 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 thereof; reference being had to the Drawings hereunto
annexed, that is to say
The. Invention, consists in a new, method of twisting, together, threads
mounted on rollers or bobbins and actuated by bars, jacquarded or not, or
mounted on, carriages, jacquarded or not. Take for example the torsion of
two roller threads with one carriage thread:-Suppose two roller threads a, b,
at the left of a carriage thread c, see Figure 1 of the annexed Drawings. I
commence (1) by passing the two roller threads a, b, over, that is to say, in
front of the carriage thread c, and (2) under, that is to say, behind the thread c.
Then either of the two threads, a for example, is passed (3) over or in front
of the carriage thread c, and the other 6 (4) under or behind; this being
effected, the two roller threads a, b, are passed (5) over or in front of, then
(6) under or behind the carriage thread c, and the torsion of the two roller
threads a, b, is thus complete. According to the number of twists required
the operations (1), (2), and (5), (6) are repeated a greater or less number of
times. Figure 2 shows the result obtained, that is to say, the twisting of the
two threads a, b, the carriage thread serving only as a guide and remaining
independent. Although one carriage thread is sufficient to obtain the twisting
of the roller threads two or a greater number may be employed together or
separately, according to the effect or pattern to be produced. The two roller
threads may be at the right instead of at the left of the carriage thread, and
they may be passed first under instead of over, according to whether the twist
is required to be right or left. These observations also apply to-the following
example:-
thread (see Figure 3 indi-
Suppose the two carriage
To twist two carriage threads with one roller
cating the work, and Figure 4 the result obtained.)
threads c, c, at the left of the roller thread a, I pass the roller thread a (1)
over or in front of and (2) under or behind the two carriage threads c, c¹.
I next pass the roller thread a (3) over or in front of one carriage thread c,
and (4) under or behind the other carriage thread c¹; then I pass the roller
thread a (5) over or in front of, and (6) under or behind the two carriage
threads c, c, and the torsion of the two carriage threads is thus completed.
As in the other example, the operations (1), (2), and (5), (6) are repeated
according to the number of twists required. By means of the method

page_text: before explained I am able to produce work the same as that of a lace
worker.
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 improved
'method herein-before described of twisting threads mounted on rollers or
bobbins and actuated by bars or on carriages, jacquarded or not.
In witness whereof, I, the said Richard Archibald Brooman, have here-
unto set my hand and seal, this Sixteenth day of February, One
thousand eight hundred and sixty-six.