IMPROVEMENTS IN PREPARING OILS, AND IN APPARATUS FOR BURNING THE SAME
Year: 1853

page_text: LETTERS PATENT to Cyprien Marie Tessie du Motay, of 24, Rue
Fontaine St. George, Paris, Engineer and Chemist, for the In-
vention of "IMPROVEMENTS IN PREPARING OILS, AND IN APPARATUS
FOR BURNING THE SAME."
"
Sealed the 1st July 1853, and dated the 22nd April 1853.
PROVISIONAL SPECIFICATION left by the said Cyprien Marie
Tessie du Motay at the Office of the Commissioners of Patents,
with his Petition, on the 22nd April 1853.
I, CYPRIEN MARIE TESSIE DU MOTAY, of No. 24, Rue Fontaine
St. George, Paris, Engineer and Chemist, do hereby declare the nature
of the said Invention for "IMPROVEMENTS IN PREPARING OILS, AND IN
APPARATUS FOR BURNING THE SAME," to be as follows:-
Firstly, of causing oils obtained by distilling animal, vegetable,
resinous, and bituminous substances, which are rich in carbon, to he
acted on by hydrogen, which may conveniently be done by acting on
zinc, or other suitable metal, with an acid, in the presence of the
substance.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Cyprien Marie Tessie du Motay, in the Great 5
Seal Patent Office, on the 20th October 1853.
•
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
CYPRIEN MARIE TESSIE DU MOTAY, of No. 24, Rue. Fontaine St.
George, Paris, Engineer and Chemist, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-second day of April, in the
year of our Lord One thousand eight hundred and fifty-three, in the
sixteenth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Cyprien Marie Tessie du. Motay; Her
special licence, that I, the said Cyprien Marie Tessie du Motay, my
executors, administrators, and assigns, or such others as I, the said
Cyprien Marie Tessie du Motay, 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 "IMPROVEMENTS IN PREPARING OILS,
AND IN APPARATUS FOR BURNING THE SAME," upon the condition (amongst
others) that I, the said Cyprien Marie Tessie du Motay, by an instru-
ment in writing under my hand and seal, 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 Cyprien Marie Tessie du 'Motay,"
do hereby declare the nature of the said Invention, and in what-manner
the same is to be performed; to be particularly described and ascer
tained in and by the following statement thereof (that is to say)

page_text: My Invention consists, firstly, of causing, oils obtained by distilling
animal, vegetable, resinous, and bituminous substances, which are rich
in carbon, to be acted on: by hydrogen, which may conveniently be
done by acting on zinc or other suitable, metal with an acid,, in the
presence of the substance; and, secondly, of arranging lamps in order.
to render them capable of burning those, oils, which are, rich in carbon,
by bringing two currents of air in contact with, the exterior part of the
I bu
flame.
And in order that my said. Invention may be most fully understood,
and readily carried into effect, I will proceed to describe. the means
pursued by me.
"
c
The oil to be treated is placed in a suitable vessel,, and, zinc turnings,
or filings are added; and afterwards. sulphuric acid, in a very diluted
state, is added, and the whole is well stirred, so that every part may be
acted upon. The acid, immediately acts on the zinc, and hydrogen is
evolved, which combines with and alters the nature of the fat with
which it is.in contact; after this action has been going on for a little
time, the oil is drawn off from the acid, and is
then
en several times well
washed with water, until not a trace of acid remains.
treated has been allowed to settle for several days, it will be very fit,
amongst other uses, for burning in the lamp, which I'will'now proceed
to describe; mentioning, however, that although_in_the_drawing_the.
Invention is shown applied to that class, of lamps called "moderateurs,"
it is not confined thereto, being also applicable to other lamps, whether
the same have annular or flat wicks. ****
After the oil so
3*
Figure 1, shows in section that portion of the lamp burner which
carries the wick, and which is similar in construction to the wick
carrier of the ordinary "moderateur" lamp; and Figure 2, shows that
portion of the lamp burner which carries the glass. A, is the tube
which carries the wick B, over which is the button C, which is fixed
on the wire D, by which it is raised and lowered. On the exterior of
the tube A, is a screw thread E, which screws into the interior of the
tube G, in which is the female screw e.
conducts the surplus oil to the receiver.
centric tubes, of which the exterior one
F, is a small gallery, which
G, H, and I, are three con-
I, is conical, and which are

page_text: connected together at intervals by pieces of metal passing from one to
the other. To the lower end of the tube I, is attached the tube K,
between which and the tube I, the glass chimney L, is held; up eacli
of the two passages between the tubes G, H, and H, I, a current of air
passes, by which means perfect combustion is ensured. In adapting
this principle to lamps with flat wicks, it will be found desirable to
increase the angle at which the exterior current of air, viz. that
between the tubes H, and I, strikes the flame.
Having thus described the nature of my Invention, and the manner
of performing the same, I would have it understood that I do not
confine myself to the precise details described, so long as the general
principle of my Invention is retained; but what I claim is the manner
above described of preparing and burning oils which are rich in
carbon.
In witness whereof, I, the said Cyprien Marie Tessie du Motay,
have hereunto set my hand and seal, this Seventeenth day
of October, in the year of our Lord One thousand eight hundred
and fifty-three.
C. TESSIE DU MOTAY. (L.S.)
Witness. T. BASSET.