IMPROVEMENTS IN GRATINGS OF METAL OR WOOD FOR THE FRONTS OF HOUSES AND GENERAL PURPOSES FOR THE ADMISSION OF LIGHT AND VENTILATION
Year: 1846

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, RICHARD
MARVIN, of Portsea, in the County of Southampton, Gentleman, and WILLIAM
HENBY MOORE, of Southsea, in the same County, Gentleman, send greeting
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent under the Great Seal of Great Britain, bearing date at Westminster, the
Twenty-eighth day of May, in the ninth year of Her reign, did, for Heisell,
Her heirs and successois, give and grant unto us, the said Richard Marvin and
William Henry Moore, Her special licence that we, the said Richard Maivri
and William Henry Moore, our exois, adiñois, and assigns, or such otheis
as we, the said Richard Marvin and William Henry Moore, our exors,
adñions, and 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, exercise, and vend, within England, Wales,
and the Town of Berwick-upon-Tweed, also within the Islands of Jersey,
Guernsey, Alderney, Saik, and Man (and also within all Her Majesty's
Colonies and Plantations abroad), our Invention of "IMPROVEMENTS IN
GRATINGS OF METAL OR WOOD FOR THE FRONTS OF HOUSES AND GENERAL PURPOSES
FOR THE ADMISSION OF LIGHT AND VENTILATION;" in which said Letters Patent
there is a proviso obliging us, the said Richard Marvin and William Hemy
Mooie, by an instrument in writing under our hands and seals, particularly
to describe and ascertain the nature of our said Invention, and in what
manner the same is to be performed, and to cause the same to be enrolled in
Her Majesty's High Court of Chancery within six calendar months next and
immediately after the date of the said recited Letters Patent, as in and by the
same, reference being thereunto had, will more fully and at laige appear.
NOW KNOW YE, that in compliance with the said proviso, we, the said
Richard Marvin and William Henry Moore, do hereby declare that the
nature of our said Invention, and the manner in which the same is to be

page_text: performed, is described and ascertained as follows; that is to say, a Plan of
the same is herein set forth, viz' :-
Bars of the above shape of various sizes, and composed of wrought or cast
inetals or woods, placed or cast diagonally in a perpendicular frame or fiames
or otherwise of various depths and thicknesses, either placed at right angles
01 otherwise to the scale hereafter described to suit the conveniences of the
purposes required. The bars to be so placed or cast that the top of one bar
shall cover the bottom of the next bar at the angle set forth in the Diawing
above delineated.
Scale of Frame.-Length to suit the number of bais required therein;
depth two inches, thickness five eighths of an inch.
Scale of Bar-Length varying according to the size of the required grating,
plate, or flooring.
Depth or Breadth -Three inches on the top or front side; thice and a
half inches on the under side.
Thickness Three quarters of an inch on the top or horizontal surface,
gradually reduced to three eighths of an inch in the middle, and again reduced
immediately under to three sixteenths of an inch, and then gradually reduced
to one eighth of an inch to the bottom.
Distance of Bais apart.-One inch and a quarter of an inch at the top,
leaving an opening, whereby the light and ventilation is admitted and spread on
incicased to one inch and seven eighths at the bottom or lower part of the bai.
In witness whereof, we, the said Richard Marvin and William Deniy
Moore, have hercunto set our hands and seals, the Twenty-fourth day
of November, in the year of our Lord One thousand eight hundred
and forty-six.
RICHARD (L.S.) MARVIN.
WILLIAM HENRY (LS) MOORE.
Signed, sealed, and delivered by the
within-named Richard
the presence of
Marvin,
JC PARNELL, Sol, Portsea
A-.༩ c---

page_text: AND BE IT REMEMBERED, that on the Twenty-fourth day of November,
in the year of our Lord 1846, the aforesaid Richard Marvin 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 BE IT REMEMBERED, that on the Twenty-fifth day of Novem-
ber, in the year of our Lord 1846, the aforesaid William Henry Moore canic
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-fifth day of November, in the year of our Loid
One thousand eight hundred and forty-six.