AN IMPROVED KILN FOR BURNING CLAY, LIME, PLASTER, AND OTHER MATERIALS
Year: 1868

page_text: LETTERS PATENT to Alphonse Monsnergue, of 37, Boulevard Bonne
Nouvelle, Paris, in the Empire of France, Merchant, for the Inven-
tion of "AN IMPROVED KILN FOR BURNING CLAY, LIME, PLASTER, AND
OTHER MATERIALS."
Scaled the 1st April 1869, and dated the 2nd October 1868.
PROVISIONAL SPECIFICATION left by the said Alphonse Monsnergue
at the Office of the Commissioners of Patents, with his Petition,
on the 2nd October 1868.
I, ALPHONSE MONSNERGUE, of 37, Boulevard Bonne Nouvelle, Paris,
in the Empire of France, Merchant, do hereby declare the nature of
the said Invention for "AN IMPROVED KILN FOR BURNING CLAY, LIME, PLASTER,
AND OTHER MATERIALS," to be as follows:-
My improved kiln has a central fire-place surmounted by a chimney.
This fire-place may be heated indifferently by wood or coal, and the
fire may be constant or intermittent at pleasure. The kiln has four
independent compartments. In burning the material in the first com-

page_text: partment the fire passes to the second until the operation in the first is
completed, and then air conduits above and in front of the kiln are
opened to cause the heat to spread in the other compartments where the
burning or baking has already commenced; of the four compartments
three are always full, and the other being charged or emptied, this latter
being separated from the fire by a damper placed before the heat and
smoke conduits. As the heat may be graduated at pleasure in each of
the compartments of my quadrilateral kiln, pottery or ceramic ware
may be baking in one compartment, lime be burning in another, and
so on, all the operations going on simultaneously in the four com-
partments, or only one, two, or three of the compartments being used.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Alphonse Monsnergue in the Great Seal Patent
Office on the 1st April 1869.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ALPHONSE
MONSNERGUE, of 37, Boulevard Bonne Nouvelle, Paris, in the Empire of
France, Merchant, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Second day of October, in the year of our
Lord One thousand eight hundred and sixty-eight, in the thirty-second
year of Her reign, did, for Herself, Her heirs and successors, give and
grant unto me, the said Alphonse Monsnergue, IIer special licence that I,
the said Alphonse Monsnergue, my executors, administrators, and assigns,
or such others as I, the said Alphonse Monsnergue, 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 KILN FOR BURNING
CLAY, LIME, PLASTER, AND OTHER MATERIALS," upon the condition (amongst
others) that I, the said Alphonse Monsnergue, 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

page_text: 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 dato of the said Letters Patent.
NOW KNOW YE, that I, the said Alphonse Monsnergue, 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:-
My improved kiln has a central fire-place surmounted by a chimney.
This fire-place may be heated by wood or by coal, and the fire may be
constant or intermittent at pleasure. The kiln has four independent
compartments. In burning the material in the first compartment the
fire passes to the second until the operation in the first is completed,
and then air conduits above and in front of the kiln are opened to cause
the heat to spread in the other compartments where the burning or
baking has already commenced. Of the four compartments three are
always full, and the other being charged or emptied, this latter being
separated from the fire by means of dampers placed before the heat and
smoke conduits. As the heat may be graduated at pleasure in each of
the compartments of my quadrilateral kiln, pottery or ceramic ware
may be baking in one compartment, lime be burning in another, and
so on, all these operations going on simultaneously in the four com-
partments, or only one, two, or three of the compartments being used.
On the accompanying Sheet of Drawing forming part of this my
Specification A indicates the chimney common to all the compartments;
B, damper passage; C, interior of kiln; D, ash-pits, fire-bars, and
dividing arches above fire-bars; E, divider and bottom, or back of
kiln; F, top of the dividing arches; G, doors; H, smoke conduits;
I, air inlets; A³, entrance for air from within one of the compartments
in process of cooling, (that is to say, one the material within which is
already burnt, this air issuing by the opening K under the fire-bars of
another compartment in full operation. This arrangement permits "the
useful employment of the heat of the materials already baked or burnt
until such heat is completely exhausted. The placing of the chimney
above or at the side of one or of several kilns is optional, that is to say,
a single chimney suffices for several kilns.
This system of kiln will be found very advantageous, both as regards
construction and working, the economy in fuel and labour may be

page_text: estimated at 50 per cent. in the burning of clay, and 40 per cent. in
burning lime and plaster.
This system of quadrilateral kiln is simple, commodious, requires
little supervision, and, as already stated, the fuel used may be wood or
coal at pleasure.
In witness whereof, I, the said Alphonse Monsnergue, have here-
unto set my hand and seal, this Twenty-fourth day of March, in
the year of our Lord One thousand eight hundred and sixty-nine.
A. MONSNERGUE. (L.S.)