IMPROVEMENTS IN PREVENTING AND CURING SMOKY CHIMNEYS
Year: 1839

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
PARSONS, of the Stag Tavern, Fulham Road, in the County of Middlesex,
Victualler, send greeting.
WHEREAS Her present most Excellent Majesty Queen Victoria, by Her
Letters Patent under the Great Seal of Great Britain, bearing date at West-
minster, the Twenty-first day of November, in the third year of 1er reign,
did, for Herself, Her heirs and successors, give and grant unto me, the said
John Parsons, Her especial licence, full power, sole privilege and authority,
that I, the said John Parsons, my exors, adiñiors, and assigns, or such others
as I, the said John Parsons, my exors, adñiors, or assigus, should at any time
agree with, and 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 "IMPROVEMENTS IN PREVENTING AND CURING SMOKY CHIMNEYS;"
in which said Letters Patent is contained a proviso that I, the said John
Parsons, shall cause a particular description of the nature of my said Inven-
tion, and in what manner the same is to be performed, to be inrolled 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: presents
part
my
first improvement applied thereto. Figure 2 is a front view of Figure 1 1; in
each of these Figures the same letters indicate similar parts. a is an inclined
plate which has the upper part turned over in order to support the brickwork
above. I prefer this plate or bar to be of cast iron, though wrought iron may
be employed. The object of this part of my Invention is, as above stated, to
obtain more room in the front part of the chimney just above the fire-place or
stove, and in order to accomplish this end, the arch b is turned at some height
above the plate or bar a, in order to carry the upper part of the chimney, and
the lower edge of the brickwork of the arch is slightly cut away as is shewn,
and the filling of brickwork between the arch b and the upper part of the
plate or bar a is constructed either by means of small bricks made for the
purpose, or by means of ordinary bricks on edge, or with other suitable
materials. c, c, represent the filling of brickwork, which will be about two
and a half inches thick, and it will be seen that the lower portion of the
brickwork c, where it rests on the upper part of the plate or bar a, is cut
away or bevilled ofl' so as to leave as much space as possible within the
chimney, and it will be seen that the lower edge of the plate a projects
beyond the vertical line of the wall, but the projection is not visible when
the fire place is fixed in front, as is indicated by dotted lines in the Drawing.
It should be stated that in place of having an arch turned in order to
support the upper part of the chimney, a strong iron bar may be substituted.
This part of my Invention not depending in the use of the arch, but in apply-

page_text: ing the chimney plate or bar a, by this arrangement or construction of the
parts of the lower part of a chimney much room will be gained whether in
first building a house, or when altering the chimneys built in the old manner,
and by such means I am enabled to prevent or to cure smoky chimneys. In
constructing chimneys, I prefer them gradually to encrease in diameter from
the lower part upwards, and where there is found considerable difliculty in
preventing the effect called smoking or the descent of smoke into a room,
I apply a grating at the back of the chimney, as is shown at a. Figure 3
represents a chimney pot having the second part of my Invention applied
thereto. is the chimney pot, which may be made of any of the materials
used for such purpose, and the shape or figure thereof. may be varied.
e, e, represent a series of inclined surfaces surrounding the chimney-pot at
various distances below the top of the pot; and f is an enlarged top to the
pot. The inclined surfaces e are connected together by short rods or con-
nections g, g, or they may be attached to the pot itself, particularly when
the pot and the apparatus e, e, are both formed of metal, as is indicated
by the short rods h, or these rods h may be otherwise affixed to the
pot, the object being to retain the pot and the inclined surfaces e correctly
together, and it will readily be understood that a chimney pot having the
apparatus e applied at a position below the top of the pot d, will cause the
external atmosphere to rush or pass up between the inclined surfaces e and
the outside of the pot d, and by such means, when such currents of air arrive
in the upper or enlarged topf of the pot d, they will join with the smoke, and
arise together with considerable force, and the smoke will thereby be carried
considerably above the pot, and further such arrangement of apparatus will
prevent the descent of the smoke of one chimney down another. I would
remark that the number of inclined surfaces e may be varied, and such is the
case in respect to the mode of fixing the inclined surfaces around the outside
of the pot. And I would have it understood that what 1 claim as the Inven-
tion secured by the present Letters Patent is, first, the mode of constructing
chimneys to prevent or cure the same from smoking by the application of
a plate or bar a, as above described. And secondly, I claim the application
of a series of inclined surfaces e around the outside of a chimney pot, as above
described.
In witness whereof, I, the said John Parsons, have hereunto set my
hand and seal, this Twenty-first day of May, in the year of our Lord
One thousand eight hundred and forty.
JOHN (L.S.) PARSONS.

page_text: AND BE IT REMEMBERED, that on the Twenty-first day of May,
in the year of Lord 1840, the aforesaid John Parsons came before our said
Lady the Queen in Her Chancery, and acknowledged the Specification afore-
said, and all and everything 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.
Inrolled the Twenty-first day of May, in the year of our Lord One
thousand eight hundred and forty.