IMPROVEMENTS IN THE MANUFACTURE OF ZINC WHITE
Year: 1853

page_text: LETTERS PATENT to Alphonse Doste Noel, of Chancery Lane, in
the County of Middlesex, French Advocate, for the Invention of
"IMPROVEMENTS IN THE MANUFACTURE OF ZINC WHITE."-A com-
www.icntion from Louis Pierre Geslin.
PROVISIONAL SPECIFICATION left by the said Alphonse Doste
Noel at the Office of the Commissioners of Patents, with his
Petition, on the 18th October 1853.
I, ALPHONSE DOSTE NOEL, of Chancery Lane, in the County of
Middlesex, French Advocate, do hereby declare the nature of the said
Invention for "IMPROVEMENTS IN THE MANUFACTURE OF ZINC WHITE" to
be as follows:-
This Invention has for its object an improved construction and com-
bination of furnace and apparatus for the manufacture of zinc white.
For this purpose a fireplace is formed at the lowest part of the building;
the heat and products of combustion pass into an upper chamber by
suitable openings, and from such chamber the heat and products pass
into a second chamber, and thence off to the chimney. In each of the

page_text: chambers are set retorts, and the ends of the chambers are bricked up,
leaving a moveable brick opposite cach retort to admit of the intro-
duction of the zinc through the opening. The retorts by suitable
pipes communicate with a compartment which is built at the sides of
the retort stack. The products of zinc pass into such compartment,
and they meet with sulphurous acid vapours conducted by a suitable
pipe or pipes from burning sulphur into the compartment, and thus
are the vapours of zinc converted into superior zinc white, or air may
be introduced into the compartment.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Alphonse Doste Noel in the Great Seal Patent
Office on the 18th April 1854.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
ALPHONSE DOSTE NOEL, of Chancery Lane, in the County of Middlesex,
French Advocate, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Eighteenth day of October, in the year
of our Lord One thousand eight hundred and fifty-threc, in the seven-
teenth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Alphonse Doste Nocl, Her special
licence that I, the said Alphonse Doste Noel, my executors, admi-
nistrators, and assigns, or such others as I, the said Alphonso Doste
Noel, my executors, administrators, and assigns, should at any time
agree with, and no others, from time to time and at all times there-
after during the term therein expressed, should and lawfully might
make, use, exercise, and vend, within the United Kingdom of Great
Britain and Ireland, the Channel Islands, and Isle of Man, an Inven-
tion for "IMPROVEMENTS IN THE MANUFACTURE OF ZINC WHITE," a com-
munication from Louis Pierre Geslin, upon the condition (amongst
others) that I, the said Alphonse Doste Noel, by an instrument in
writing under my hand and seal, should particularly describe and ascer-
tain the nature of the said Invention, and in what manner the same

page_text: as to be performed, and cause the same to be filed in the Great Seal
Patent Office within six calendar months next and immediately after
he date of the said Letters Patent.
NOW KNOW YE, that I, the said Alphonse Doste Nocl, do hereby
leclare the nature of the said Invention, and in what manner the
same is to be performed, to be particularly described and ascertained
in and by the following statement thereof (that is to say):
This Invention has for its object an improved construction and com-
bination of furnace and apparatus for the manufacture of zinc white.
For this purpose a fireplace is formed at the lowest part of the building;
the heat and products of combustion pass into an upper chamber by
suitable openings, and from such chamber the heat and products pass
into a second chamber, and thence off' to the chimney. In each of the
chambers are set retorts, and the ends of the chambers are bricked up,
leaving a moveable brick opposite cach retort to admit of the intro-
duction of the zine through the opening. The retorts by suitable pipes
communicate with a compartment which is built at the sides of the
retort stack. The products of zinc pass into such compartment, and
they meet with sulphurous acid vapours conducted by a suitable pipe
or pipes from burning sulphur into the compartment, and thus are the
vapours of zinc converted into zinc superior white, or air may be
introduced into the compartment.
Having so far described the nature of my Invention, and the manner
of performing the same, I will now describe the accompanying Draw-
ings, in each of the Figures of which the same letters indicate like
parts.
DESCRIPTION OF THE DRAWINGS.
Figure 1, is an elevation partly in section; Figure 2, is a transverse
vertical section; Figure 3, a horizontal section taken at A, B, in
0 Figure 1; and Figure 4, is another horizontal section taken at C, D, in
Figure 2; a, is the fireplace formed at the lower portion of the building
having flues b, b, through which the heat and products of combustion
pass into upper chambers d, d, and from such chambers d, d, into
other chambers c, c, and thence ofl' to the chimney f. In each of the

page_text: chambers d, d, and e, e, are set retorts 9, 9, and the ends of such
chambers d, d, and e, e, are bricked up, leaving a moveable brick at
h, h, and i, i, (or it may be a filling piece to the openings of the retorts
y, y, as shewn) opposite each retort g, g, to allow of the introduction
of the zinc through such openings. The retorts g, g, by suitable
channels or pipes j, j, k, k, communicate with compartments l, l, which
are built at the sides of the retort stacks. The products of zinc pass
into such compartments 1, 1, and the products mix with sulphurous acid
vapours, conducted by a suitable pipe or pipes from burning sulphur as
herein-before stated, by which the vapours of zinc are converted into
superior zinc white. The fire bars a¹, a', I have represented as round,
having a slight flatness on their under sides, their ends protruding some
slight distance out in front of the fireplace, by which arrangement any
one of the bars may be removed to cleanse or remove scoria.
Having thus described my Invention, and the manner of performing
the same, I wish it to be understood that I do not intend to confine
myself to the precise details given, as the same may be varied without
departing from my Invention. But what I claim is, the improved
construction and combination of furnace and apparatus for the manu-
facture of zinc white, as shown and described.
In witness whereof, I, the said Alphonse Doste Noel, have here-
unto set my hand and seal, tliis Eighteenth day of April, in the
year of our Lord One thousand eight hundred and fifty-four.
Witness,
FRED HARRIS.
A. D. NOEL. (L.S.)