A NEW AND IMPROVED METHOD OF BUILDING AND CONSTRUCTING KILNS OR OVENS USED BY POTTERS AND MANUFACTURERS OF CHINA AND EARTHENWARE
Year: 1846

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
MADDOCK, of Burslem, in the County of Stafford, Earthenware Manufacturer,
send greeting.
WHEREAS Her present most Excellent Majesty Queen Victoria, by Her
Royal Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Twenty-fifth day of February, in the ninth year of Her
reign, did, for Herself, 'Her heirs and successors, give and grant unto me, the
said John Maddock, Her especial licence, that I; the said John Maddock, my
exors, admors, and assigns, or such others as I, the said John Maddock, my
exors, adiñiors, or assigns, should at any time agree with, & no others, from
time to time and at all times during the term of years therein expressed,
should and lawfully might make, use, exercise, and vend, within England,
Wales, and the Town of Berwick-upon-Tweed, my Invention of "A NEW
AND IMPROVED METHOD OF BUILDING AND CONSTRUCTING KILNS OR OVENS USED
BY POTTERS AND MANUFACTURERS OF CHINA AND EARTHENWARE;" in which said
Letters Patent is contained a proviso obliging me, the said John Maddock,
by an instrument in writing under my hand and seal, particularly to describe
and ascertain the nature of my said Invention, and in what manner the same
is to be performed, and to cause the same to be enrolled in Her said
Majesty's High Court of Chancery within six calendar months next and
immediately after the date of the said in part recited Letters Patent, as in
and by the same, reference being thereunto had, will more fully and at large.
appear.

page_text: NOW KNOW YE, that in compliance with the said proviso, I, the said
John Maddock, do hereby declare the nature of my said Invention to consist
in building or constructing such kilns or ovens as aforesaid, and as are usually
called "hardening-on kilns," as double kilns or ovens; that is to say, with one
kiln or oven over the other, so as to employ the waste heat or fire arising
from the kiln or oven below to heat or fire the oven above. And in further
compliance with the said proviso, I, the said John Maddock, do hereby
describe the manner in which my said Invention is to be performed, by the
following statement thereof, reference being had to the Drawing annexed,
and to the figures and letters marked thereon, that is to say :-
DESCRIPTION OF THE DRAWING.
Figure 1 is a front elevation of one of my said double kilns or ovens of the
new or improved build or construction; Figure 2 is a vertical section of the
same; Figure 3 is a back, elevation of the same; and Figure 4 is a ground
plan of the same.
In Figure 1, A is the external fire mouth; B are iron bands; and H is the
ash pit.
In Figure 2, A is the cone of the chimney; B is the inside of the upper
kiln; C, the inside of the lower kiln; D, the internal fire mouth: E, the
ash pit; F; the flues: G, solid masonry; and H, the arches upon which the
top kiln or oven is suspended.
In Figure 3, A, A, are passages into the kilns, and B, B, are iron bands.
In Figure 4, A is the incline; B, B, B, B, the pillars from which the archies
spring; C, C, C, C, partition pillars to flues; D, the front of the ash pit;
E, E, E, E, the flues; F, the solid wall of masonry; and G, the fire bars.
Having now described the nature of my said Invention, and the manner in
which the same is to be performed, I hereby claim as my Invention the
building or constructing of what are usually called "hardening-on kilns," with
two kilns or ovens one over the other, as herein-before described, so that the
waste heat or fire arising from the lower kiln or oven may be made to heat or
fire the upper kiln or oven, whereby a great saving of fuel and time is
effected. And such my Invention being, to the best of my knowledge and.
belief, entirely new, and never before used within that part of Her said
Majesty's United Kingdom of Great Britain and Ireland called England, Her
'said Dominion of Wales, or Town of Berwick-upon-Tweed, I do hereby declare
this to be my Specification of the same, and that I do verily believe that this
*my said Specification doth comply in all respects, fully and without reserve or
disguise, with the proviso in the said herein-before in part recited Letters

page_text: Patent contained; wherefore I hereby claim to maintain exclusive right and
privilege to my said Invention.
In witness whereof, I, the said John Maddock, have hereunto set my
band and seal, the Fifteenth day of July, in the year of our Lord
One thousand eight hundred and forty-six.
AND BE IT REMEMBERED, that on the Fifteenth day of July, in the
year of our Lord 1846, the aforesaid John Maddock came before our said
Lady the Queen in Her Chancery, and acknowledged the Specification afore-
said, and all and every thing therein contained and specified, in form above
written. And also the Specification aforesaid was stamped according to the
tenor of the Statute made for that purpose.
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