A CONAVOUS CABIN STOVE
Year: 1814

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GRANT
PRESTON, of Burr Street, London Dock, in the County of Middlesex, Brazier,
send greeting.
WHEREAS His most Excellent Majesty King George the Third did, by
His Letters Patent under the Great Seal of the United Kingdom of Great
Britain and Ireland, bearing date at Westminster, the Seventh day of June,
in the fifty-fourth year of His reign, give and grant unto me, the said Grant
Preston, my exors, adñiors, and assigns, His especial licence, full power, sole
privilege and authority, that I, the said Grant Preston, my exors, admiors,
and assigns, should and lawfully might, during the term of years therein men-
tioned, make, use, exercise, and vend, within England, Wales, and the Town
of Berwick-upon-Tweed, my Invention of "A CONAVOUS CABIN STOVE;" .in
which said Letters Patent there is contained a proviso that if I, the said Grant
Preston, shall not particularly describe and ascertain the nature of my said
Invention, and in what manner the same is to be performed, by an instrument
in writing under my hand and seal, and cause the same to be inrolled in
His Majesty's High Court of Chancery within two calendar months next and
immediately after the date of the said Letters Patent, that then the said
Letters Patent, and all liberties and advantages whatsoever thereby granted,
shall utterly cease, determine, and become void, as in and by the same
(relation being thereunto had) may more fully and at large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
Grant Preston, do hereby declare that the nature of my said Invention, and

page_text: the manner in which the same is to be performed, are "particularly described
and ascertained as follows, that is to say:-
In the annexed Sheet is shewn Drawings of two of my Concavous Stove,
shewing their different positions, the size of them being 10 inches, or there-
about, which is equal, or nearly so, to one of 12 inches made in the common
way, by its superiority in heating and saving of fuel. It likewise connects
cleanliness, durability, and safety. The height is about 3 feet 6 inches
including the feet, the cavity about 10 inches wide by about 10 inches high,
front moulding about 2 inches, or may be made broader. The ventilator door
about 6 inches; pot plate, about 7 inches by about 10 inches, placed about
3 inches from the bottom.
A, the
Figure 1, No. 1, is a representation of the stove in a finished state.
funnell. B, B, the front. C, the back of the cavity. D, the hot plate. E, a
ventilator door of the fire place. F, a pot plate that lifts up. G, G, the nob
or handle of the register. H, a hole for the conveniency of putting in a lamp
in order to keep a teakettle or coffeepot hot when there is no fire in the stove.
H, H, shews an iron stopper when the lamp is taken out. Fig. 1,
.No. 2, is a section of the front view of the stove, supposing the front
taken off. A, the funnel. B, B, shews the back of the cavity, with the nob
of the register. C, the hole for lamp. D, the hot plate. E, the interior of the
fire place. F, F, the handles. G shewing part of the inside of the body.
Fig. 1, No. 3, is a section of an inside view supposing one side detached.
A, the funnel. B, B, shews the back of the cavity, with the nob of the
register. C, the hole for lamp. D, the hot plate. E, the back cheek of fire
place. F, the side cheek. G shews the part of inside of the body.. H, the. door,
open. I, one side of the cavity. S, the pot plate, up.
Fig. 2, No. 1, is the representation of the Concavious Cabin Stove in its finished
state, but with a difference in the flue from Fig. 1; the flue being in each side,
while the flue of the other is in the back. Letter A, the funnel. B, B,:shews
'the front, with a metal jaib. C, the back of the cavity: D, the hot plate...E,
the door. F, the pot plate. G, G, the nob of the rake that draws out to clean
away the soot. Fig. 2, No. 2, is a section of the inside of the stove, supposing
the front taken off. A, the funnel. B, the back of the cavity. C, the hole for
lamp. D, the hot plate. E shews the interior of the fire place. F, F, the handles.
G shews part of the inside of the body. H, H, the rake for cleaning the flue.
Fig. 2, No. 3, is a section of an inside view of the interior part of the
above. A, the funnel. B, B, the outside of the cavity forming one side of
the flue. H, H, shews the rake. C, the handle, pulled out. D, the edge of
the hot plate. E and F, side and back check. G shews a part of the inside

page_text: of the body, the door open. S, the hot plate, half drawn up. Observe, the
plates that form the cavity of this stove fits into ledges in the back and front
stove, Fig. 1; the plates forming the cavity fits into ledges of each side, the
whole being put together with screws.
Fig. 3, No. 3, is the same stove as Fig. 2 in every respect, only fitted
into an oval copper body or case, with a doom top ornamented with mouldings.
The Concavous Cabin Stove may be finished in a variety of forms, according
to fancy; they are also well adapted for shops and other places, or houses.
In witness whereof, I, the said Grant Preston, have hereunto set my
hand and seal, this Second day of August, One thousand eight hundred
and fourteen