IMPROVEMENTS IN VENTILATION
Year: 1852

page_text: LETTERS PATENT to Charles Watson, of 31, Rhodes Street, Halifax,
in the County of York, for the Invention of "IMPROVEMENTS IN
VENTILATION."
Sealed the 12th January 1853, and dated the 23rd October 1852.
PROVISIONAL SPECIFICATION left by the said Charles Watson.
at the Office of the Commissioners of Patents, with his Petition,
on the 23rd October 1852.
I, CHARLES WATSON, of 31, Rhodes St., Halifax, in the County of
York, do hereby declare the nature of the said Invention for "In-
PROVEMENTS IN VENTILATION" to be as follows:-
This Invention consists of an apparatus to be used thro' the ceiling,
or roof, or deck of a vessel, of a building, or apartment, leading from
the interior into the open air.
The apparatus is of a conical form at its lower part, and is either
open, or has a radial or other ornamental grating over it. The upper
part consists of a cylinder, having at the top a hood of a conical form,
affixed by several straps; and for the purpose of ornament, and to give
stiffness to the lower part of the conical hood, there is a vandyked or
plain border affixed. The interior of the apparatus is divided by a ver-

page_text: tical partition, and there is a horizontal partition near the lower part of
the apparatus, having therein two openings closed by valves, which, by
means of cords or chains on guide pulleys, may be opened at any conve-
nient position of the building; and in order to get strength and stiffness
with the use of thin metal (zine by preference), hoops and stays are
affixed on in the interior of the apparatus.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Charles Watson in the Great Seal Patent Office
on the 23rd April 1853.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
CHARLES WATSON, of Rhodes Street, Halifax, in the County of York,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria,. by Her
Letters Patent, bearing date the Twenty-third day of October, in the
year of our Lord One thousand eight hundred and fifty-two, in the six-
teenth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Charles Watson, Her special licence
that I, the said Charles Watson, my executors, administrators, and
assigns, or such others as I, the said Charles Watson, 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, excrcise, and
vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS
IN VENTILATION," upon the condition (amongst others) that I, the said
Charles Watson, by an instrument in writing under my hand and seal,
should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was 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 date of the said Letters
Patent.
NOW KNOW YE, that I, the said Charles Watson, do hereby
declare the nature of the said Invention, and in what manner the same

page_text: is to be performed, to be particularly described and ascertained in and
by the following statement thereof (that is to say):.
This Invention consists of an apparatus to be used through the
ceiling, or roof, or deck of a vessel, of a building, or apartment, leading
from the interior into the open air. The apparatus is of a conical form
at its lower part, and is either open, or has a radical or other orna-
mental grating over it. The upper part consists of a cylinder, having
at the top a hood of a conical form affixed by several straps; and for
the purpose of ornament, and to give stiffness to the lower part of the
conical hood, there is a vandyked or plain border affixed. The interior
of the apparatus is divided by a vertical partition, and there is a
horizontal partition near the lower part of the apparatus having
therein two openings closed by valves, which, by means of cords or
chains on guide pulleys, may be opened at any convenient position.
of the building; and in order to get strength and stiffness with the use
of thin metal (zinc by preference), hoops and stays are affixed on or in
the interior of the apparatus. And in order that my said Invention
may be most fully understood and readily carried iuto effect, I will
proceed to describe the means pursued by me..
DESCRIPTION OF THE DRAWING.
Figures 1, and 2, show two sections of the apparatus; Figure 3,
shows an under side view of the top or hood; and Figure 4, shows an
under side view of the ornamental perforated plate or grating fixed to
the lower part of the apparatus. The apparatus consists of a tube a, a,
of a cylindrical or other shape, divided longitudinally by a partition or
diaphragm a'; the upper part of the apparatus is to pass through the
ceiling or roof of a building or appartment so as to communicate with
the external air; and b, is a conical top or hood supported by the
partition and stays, and has openings through which the air enters on
one side of the partition and is conducted away on the other; c, and d,
are valves placed at the lower part of the apparatus, which is conical,
as shown; and e, is a horizontal partition having openings which are
capable of being closed, or partially closed, by the valves c, and d, there
being cords or chains and pulleys suitably arranged to open or close

page_text: the valves at any convenient part of the building or apartment; all
which will be readily understood on examining the Drawing. And it
may be stated that the position of the pulleys, and consequently of the
cords, may be varied, so long as they are arranged to have a ready
control over the valves, and weights may be used to balance or to tend
to shut the valves. f, is a perforated plate or grating (which may be
perforated with any suitable ornamental design) placed under the
lower part of the apparatus to give an ornamental appearance and act
as a screen to the valves and apparatus. The apparatus is strengthened
by stays on the interior or exterior, as shown, and may be constructed
of any suitable material, but I have found zinc to be the most durable
and economical. 9, 9, are strengthening hoops, used or applied at
intervals. I would remark that the shapes of the parts may be varied,
so long as the mode of combining the same is retained.
Having thus described the nature of my Invention, I would have it
understood that what I claim is the mode of combining apparatus
herein described.
In witness whereof, I, the said Charles Watson, have hereunto
set my hand and seal, this Twenty-first day of April, in the
year of our Lord One thousand eight hundred and fifty-three.
Witness,
J. S. TONGUE,
24, Southampton Builds.
CITARLES WATSON. (L.S.)