METHOD OR METHODS FOR PREVENTING ANY DISADVANTAGEOUS ACCUMULATION OF HEAT IN MANUFAC- TURING AND REFINING SUGAR
Year: 1817

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
CHARLES WYATT, of Bedford Row, in the County of Middlesex, Copper-
smith, send greeting.
WHEREAS His most Excellent Majesty King George the Third,
by His Letters Patent under the Great Seal of the United King-
dom of Great Britain and Ireland, bearing date at Westminster,
the Third day of June, in the fifty-seventh year of His reign, did give
and grant unto me, the said Charles Wyatt, my exors, adñiors, and
assigns, His special licence, full power, sole privilege and authority,
that I, the said Charles Wyatt, my exors, adñiors, and assigns, 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 new invented "METHOD OR METHODS FOR
PREVENTING ANY DISADVANTAGEOUS ACCUMULATION OF HEAT IN MANUFAC-
TURING AND REFINING SUGAR;" in which Letters Patent there is contained
La proviso obliging me, the said Charles Wyatt, under my hand and
seal, to cause a particular description of the nature of my said Inven-
tion, and the manner in which the same is to be performed, to be
inrolled in His Majesty's High Court of Chancery within two calendar
months next and immediately after the date of the said recited Letters

page_text: Patent, 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, 1, the
said Charles Wyatt, do hereby declare that the principle upon which I
accomplish the end in view consists in bringing the heated particles of
cane juice or of a solution of sugar into contact with the air in a very
extended surface, and thereby promoting a copious evaporation of a
temperature below the boiling point of the liquor. And I carry
this principle into effect by alternately plunging into the liquor,
while hot, but before it is heated to its boiling point, any extensive
surface of metal or other substance to which the heated particles of the
liquor will adhere, and then withdrawing that surface from the liquor
and exposing it to the air. When the solution is to be evaporated in
a deep vessel 1 perform the operation by a number of thin sheets of
metal or other convenient substance attached to a handle, and move
up and down by the hand, or by any other power. But when shallow,
and particularly when hemispherical vessels are used, I prefer a number
of discs or circular plates placed on a horizontal axis, in which case the
alternate submersion in the liquor and exposure to the air is performed
by the revolution of the said discs.
Or. use a number of tubes bent to the shape of the internal part in
the vessel, and fastened by their extremities to an axis or handle; and
sometimes in order to conform to the shape of the vessels I produce an
extensive surface by means of spheres, segnients of spheres, cones, frus-
tims of cones, prisms, ellipsoids, cylinders, or an endless series, of
plates or sheets loosly connected together, suspended, and acting round
two axes like the common jack chain, the lower-part always passing
through the liquor.
.
I prefer copper to any other substance for the execution of these
contrivances, although cloth, silk, linen, cotton, canvas, earthenware,
wood, and other bodies may be used with inferior effect.
"In witness whereof, I, the said Charles Wyatt, have hereunto
set my hand and seal, this Thirty-first day of July, in the year
of our Lord One thousand hundred and seventeen.
CHAS (L.) WYATT.

page_text: AND BE IT REMEMBERED, that on the Thirty-first day of July,
in the year of our Lord 1817, the aforesaid Charles Wyatt came before
our said Lord the King in His 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.
Inrolled the First day of August, in the year of our Lord One
thousand eight hundred and seventeen.