IMPROVEMENTS IN THE MANUFACTURE OF SALT
Year: 1842

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, HENRY
WATERTON, of Winsford Lodge, in the County of Chester; Esquire, send
greeting.
any
WHEREAS Her presént most Excellent Majesty Queen Victoria, by Her
Letters Patent under the Great Seal of Great Britain, bearing late at West-
minster the Thirteenth day of January, in the fifth year of Her reign, did;
for Herself, Her heirs and successors, give and grant unto me, the said Henry
Waterton, Her especial licence, full power, sole privilege and authority; that
I, the said Henry Waterton, my exors, admññors, and' assigns, or such others
as I, the said Henry Waterton; my exors, adññors, or assigns, should at
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, and in the Isles of Jersey, Guernsey, Alderney, Sark, and Man,.
and also in all Her said Majesty's Colonies and Plantations abroad, my Inven
tion of "IMPROVEMENTS IN THE MANUFACTURE OF SALT;" in which said Letters
Patent is contained à proviso, that I, the said Henry Waterton, shall cause
a particular description of the nature of my 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

page_text: after the date of the said in part recited Letters Patent, as in and by the
same, reference being thereunto bad, will more fully and at large appear.
NOW KNOW YE, that in compliance with the said proviso, 1, the said
Henry Waterton, do hereby declare that the nature of my said Iuvention,
and the manner in which the same is to be performed, are fully described 5
and ascertained in and by the following statement thereof, referenco being
had to the Drawing hereunto annexed, and to the figures and letters marked
thereon (that is to say):-
My Invention relates to the combining flat pans with angular (or they may
be curved) pans, whereby the heat of the fires may be more advantageously
employed in evaporating brino in the manufacturing of salt.
And in order that my Invention may be fully understood and readily carried
into effect, I will describe the Drawing hereunto annexed.
DESCRIPTION OF THE DRAWING.
Figure 1 shews a plan of a combined salt pan arranged according to my
Invention; Figure 2 shows a plan of the furnaces and flues, the combined
salt pan being removed; Figure 3 shews a section across the fire bars, also
shewing the section of the flat part of the combined salt pan above the fur-
naces; and Figure 4 shows a transverse section of the angular part of the
combined salt pan, and of the flues below it.
a, a, are two furnaces which are divided by the wall c, which runs from end
to end of the combined salt pan, and partly supports it; b, b, are two short
walls which assist in supporting the flat part of the combined salt pan d, d.
The flat pan d. d, is about twenty feet long and sixteen feet wide. It is
placed over the furnaces a, a, and is combined with two angular pans e, e, and
ff, each of which is about eighty feet long, and seven feet six inches wide.
The angular pans are deeper than the flat pan, and are connected from one
end to the other by a thin flat, or it may be a curved, iron plate about eighteen
inches wide, as shown in the Drawing, o; the plate o rests on the wall c.
The parts e, e, and f, f, of the combined salt pan are supported by the walls
9, 9, and h, h. By this arrangement flucs n, n, are formed on cnch side of
the wall c, as shewn in the Drawing, and the arrows indicate the direction
in which the heated vapours from the fires pass along the flues n, n, to
a chinney, which is not shewn in the Drawing, but which may be made in
any convenient place. There may be plugs in any convenient part of the
bottom of the combined pan, (as shewn at p. p.) by which the brine may bo
run off.

page_text: It will be found in working a combined salt pan arranged as above described,
that the greatest heat is applied to those parts of the pan where the least salt
is deposited (whereby the brine in the pan is speedily evaporated); also, that a
current is caused in the brine, whereby the salt is carried down and deposited
in the angular parts of the pan, and the flat part of the pan over the fires is
kept almost entirely void of salt; also, that less salt will be deposited on the
sides of the angular parts of the combined pan next the flues n, n, than
on the opposite sides. Thus not only is all the heat most advantageously
employed, but the bottom of the flat pan over the fires is preserved from
much damage, which would be done to it by the fires if salt were allowed to
deposit in it.
Having thus described the nature of my Invention and the manner of per-
forming it, I would remark that I do not confine myself to the particular
setting or dimensions of the combined salt pan, which I have shewn and
described, though I believe the dimensions which I have mentioned, and the
arrangement of furnaces and flues which I have described, are the best which
can be adopted; I am aware that salt pans have before been made with flat
bottoms, such as that shewn and described in respect to d, d, of the Drawing
annexed, and other salt pans have been made with angular sides or bottoms,
such as are shewn and described in respect to e, e, and f, f, of the Drawing
annexed; also, that flat-bottomed pans, shallow above the furnaces, and deeper
at the other end, have been in use for some years. I do not, therefore, claim
any of those constructions of salt pans when separately considered; but what
I claim is, the mode of constructing salt pans by combining a flat-bottomed
pan (d, d.) with angular (or they may be curved) pans, (e, e, and f, f.) as
above described.
In witness whereof, I, the said Henry Waterton, have hereunto set my
hand and seal this Twelfth day of July in the year of our Lowl One
HENRY (L.s.) WATERTON.
Signed, sealed, and delivered (being first duly
stamped) by the said Henry Waterton, in
the presence of
W PRINGLE, S, King's Road,
Bedford Row, Sol'.

page_text: AND BE IT REMEMBERED, that on the Twelfth day of July, in the
year of our. Lord 1842, the aforesaid Henry, Waterton came before our said
Lady the Queen in Her Chancery, and acknowledged the Specification aforo-
said, 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 Twelfth day of July; in the year of our Lord One thousand
eight hundred and forty-two.