IMPROVEMENTS IN APPARATUS FOR WITHDRAWING AIR, GASES, AND OTHER VAPOURS
Year: 1845

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, MOSES
POOLE, of Lincoln's Inn, in the County of Middlesex, Gentleman, 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-third day of June, in the ninth year of Her reign,
did, for Herself, Her heirs and successors, give and grant unto me, the said
Moses Poole, Her especial licence, full power, sole privilege and authority,
that I, the said Moses Poole, my exors, admors, and assigns, or such others
as I, the said Moses Poole, my exors, adiñors, or assigns, 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, exer-
cise, and vend, within England, Wales, and the Town of Berwick-upon-
Tweed, the Invention of "IMPROVEMENTS IN APPARATUS FOR WITHDRAWING AIR,
GASES, AND OTHER VAPOURS," communicated to me by a certain Foreigner residing
abroad; in which said Letters Patent is contained a proviso that I, the said
Moses Poole, shall cause a particular description of the nature of the said
Invention, 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,

page_text: as in and by the same, reference being thereunto had, will more fully and at
large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
Moses Poole, do hereby declare that the nature of the said Invention, and
the manner in which the same is to be performed, are fully described and
ascertained in and by the following statement thereof, reference being had to
the Drawings hereunto annexed, and to the figures and letters marked thereon,
that is to say:-
The Invention relates,―
First, to an arrangement of apparatus for withdrawing and forcing away
smoke, gas, and all kinds of noxious vapours. The apparatus is shewn in the
Drawing as being worked by wheelwork set in motion by a weight, but other
power may be employed to give motion thereto.
Secondly, to a peculiar construction of chimney placed over the burners of
lamps, and arranged in such manner as to receive the condensed products
arising from the combustion of gas or other matters in burners; but in order
that the Invention may be fully understood I will proceed to describe the
Drawings hereunto annexed.
Figure 1 shows an external view of the ventilating apparatus. Figure 2 is
a tranverse section thereof. It will be seen by examining the Drawing that the
ventilator A is composed of a cylindric drum affixed to the frame B. In the
interior of this cylinder is applied the axis D, with arms supporting the palettes
or floats C. The axis D projects perpendicularly above and below so as to be
supported by its two ends, and also to be capable of having a rotatory movement
given to it. There are openings in the cylinder at the opposite ends to
receive the two tubes E, which are joined to a common tube F, which is
intended to conduct the smoke or other vapour from whence it is desired to
remove the smoke or noxious vapour. There is also an opening in the
cylinder into which is placed another tube G, through which the gas or smoke
is forced by the action of the floats or fans. This apparatus is shown in the
Drawing to be worked by an arrangement of wheelwork with a weight, and
is calculated to work for twenty-four hours when it will require to be wound
up again. a is a screw or worm affixed on to the axis D. This worm takes
into a toothed wheel H, the axis of which wheel runs across the machine.
On this axis is a pinion 6 which takes into another toothed wheel I of a larger
diameter, on the axis of which there is a pinion c which takes into another
toothed wheel J placed on the axis K. On this axis K is another pinion d,
which takes into the wheel L placed on the lower axis M. On this shaft M
is a pinion f which takes into the larger wheel N placed upon the axis of the

page_text: cylinder or drum O, around which the cord g, which passes over the pullies
h', h, passes, and to which is attached the weight P, by which the motion of
the apparatus may be adjusted. When the apparatus has been at work for
twenty-four hours it will be necessary to wind up the cord that will have run
off from the cylinder O. To do this it will only be necessary to turn the axis
M (by means of a handle which may be adjusted to the end of it), on which
is the pinion f, which will give motion to the wheel N and to the cylinder O.
To prevent the rope from unwinding during this operation there is placed
upon the axis M a ratchet wheel R, into which a click or catch n works,
which is kept pressed in the teeth by means of a spring r, seen in Figure 2.
At the lower part of the apparatus is a tube B¹ for carrying off any liquids
that may have condensed from the vapours. This apparatus may be applied
with success to all description of stoves and fireplaces for carrying off the
smoke, and also for all lights from oil or gas, so as to carry off the smoke and
vapours arising therefrom.
In applying apparatus according to the second part of the Invention, I
place over each burner a chimney, represented at Figure 3, constructed of two
parts. The lower part S is bell-mouthed, the upper is covered, there being
openings o beneath this covering. T, T, are tubes, at the ends of which are
globes into which the products of combustion pass and become condensed.
The other part s¹ of the chimney is a tube which may be connected to the tube
F of the apparatus shewn in Figures 1 and 2, in order to carry off the smoke
and
gas, as before described.
Having thus described the nature of the Invention, and the manner of
performing the same, I would remark, that I do not confine myself to the
precise details herein described,.nor to the means of giving motion to the
floats or fans, so long as the character of the Invention be retained; but what
I claim is,―
First, the arrangement of the apparatus for withdrawing and forcing away
gas, smoke, and other noxious vapours, as herein described.
Secondly, I claim the peculiar arrangement of chimney for carrying off
the noxious gases and vapours arising from imperfect combustion, as herein
described.
In witness whereof, I, the said Moses Poole, have hereunto set my
hand and seal, this Twenty-third day of December, in the year of
our Lord One thousand eight hundred and forty-five.
MOSES (L.S.) POOLE.

page_text: AND BE IT REMEMBERED, that on the Twenty-third day of Decem-
ber, in the year of our Lord 1845, the aforesaid Moses Poole came
before our said Lady the Queen in Her Chancery, and acknowledged the
Specification aforesaid, 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.
Enrolled the Twenty-third day of December, in the year of our Lord
One thousand eight hundred and forty-five.