IMPROVEMENTS IN THE MODE OF UTILISING THE WASTE GASES OF METALLURGICAL AND OTHER FURNACES
Year: 1872

page_text: LETTERS PATENT to Edward Primerose Howard Vaughan, F.C.S., of
54, Chancery Lane, in the County of Middlesex, Patent Agent, for
the Invention of "IMPROVEMENTS IN THE MODE OF UTILISING THE WASTE
GASES OF METALLURGICAL AND OTHER FURNACES."-A communication
from abroad by François Pernot, residing at Paris, in the Republic
of France, Mechanical Engineer.
Scaled the 6th December 1872, and dated the 6th July 1872.
PROVISIONAL SPECIFICATION left by the said Edward Primerose
Howard Vaughan at the Office of the Commissioners of Patents,
with his Petition, on the 6th July 1872.
I, EDWARD PRIMEROSE HOWARD VAUGHAN, F.C.S., of 54, Chancery
Lane, in the County of Middlesex, Patent Agent, do hereby declare
the nature of the said Invention for
" IMPROVEMENTS IN THE MODE OF
UTILISING THE WASTE GASES OF METALLURGICAL AND OTHER FURNACES," being a
communication to me from abroad by François Pernot, residing at Paris,
in the Republic of France, Mechanical Engineer, to be as follows:-
The object of this Invention is to utilise the unconsumed gases
evolved by metallurgical and other furnaces, by causing the said gases

page_text: to pass through one or more secondary furnaces or fire spaces, in which
their combustion is completed.
The accompanying Drawing represents as an example the mode in
which this system may be applied to puddling or reheating furnaces.
A is the primary furnace.
B, the second furnace.
C, grate of the furnace A.
D, grate of the furnace B.
E, smoke flue of the furnace A.
F, smoke flue of the furnace B.
L, door of the furnace A.
M, door of the furnace B.
J, opening by which the fuel is fed to the grate C of the furnace A.
K, opening by which the fuel is fed to the grate D of the furnace B.
G, smoke flue used with the furnace A when isolated from the
furnace B.
H, damper, which is closed when the furnace A and B are in com-
munication with each other, and opened when they are isolated.
:
I, damper, which is opened when the furnaces A and B are in com-
munication with each other, and closed when they are isolated.
The heating of the furnace A is effected in the usual way by the
grate C, the unconsumed gases from which, instead of being allowed to
escape directly to the chimney by the smoke flue G, are carried to the
grate D of the second furnace B, where their combustion is continued.
From thence the remaining gases may pass to a third grate or furnace,
and so on as far as may be required.
The system above described may be applied to furnaces of all
descriptions, whatever be the nature of the fuel employed, care being
taken that the proportion of the smoke conduits be so calculated as not
to empede the draught.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Edward Primerose Howard Vaughan in the Great
Seal Patent Office on the 18th December 1872.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD
PRIMEROSE HOWARD VAUGHAN, F.C.S., of 54, Chancery Lane, in the
County of Middlesex, Patent Agent, send grecting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Sixth day of July, 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 me, the said Edward Primerose Howard Vaughan, Her
special licence that I, the said Edward Primerose Howard Vaughan,
my executors, administrators, and assigns, or such others as I, the said
Edward Primerose Howard Vaughan, 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 THE MODE OF UTILISING
THE WASTE GASES OF METALLURGICAL AND OTHER FURNACES," a communication
to me from abroad by François Pernot, residing at Paris, in the Republic
of France, Mechanical Engineer, upon the condition (amongst others)
that I, the said Edward Primerose Howard Vaughan, 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 within six calendar months next and immediately after the date
of the said Letters Patent.
NOW KNOW YE, that I, the said Edward Primerose Howard Vaughan,
lo hereby declare the nature of the said Invention, and in what manner
he same is to be performed, to be particularly described and ascertained
n and by the following statement, reference being had to the Figures
of the accompanying Drawing, that is to say :-
The object of this Invention is to utilise the unconsumed gases evolved
y metallurgical and other furnaces, by causing the said gases to pass

page_text: through one or more secondary furnaces or fire spaces, in which their
combustion is completed.
The accompanying Drawing represents as an example the mode in
which this system may be applied to puddling or reheating furnaces.
A is the primary furnace

page_text: I do not confine myself to the precise details of execution herein laid
down, as these may be modified according to the nature of the apparatus
to which the Invention is applied; but what I claim and desire to
protect by Letters Patent is, the utilization of the unconsumed gases
evolved by metallurgical and other furnaces by causing the said gases
to pass through one or more secondary furnaces or fire-spaces in which
their combustion is completed, substantially as above described, and
shown in the accompanying Drawing.
In witness whereof, I, the said Edward Primerose Howard
Vaughan, have hereto set my hand and seal, this Seventeenth
day of December, in the year of our Lord One thousand eight
hundred and seventy-two.