IMPROVE- MENTS IN THRESHING MACHINES
Year: 1861

page_text: LETTERS PATENT to William Clark, of 53, Chancery Lane, in the County
of Middlesex, Engineer & Patent Agent, for the Invention of "IMPROVE-
MENTS IN THRESHING MACHINES."-A communication from abroad by Mr.
Charles Emile Lambert, junior, Mechanician, of 29, Boulevart St.
Martin, Paris.
PROVISIONAL SPECIFICATION left by the said William Clark at the
Office of the Commissioners of Patents, with his Petition, on the 23rd
January 1861.
I, WILLIAM CLARK, of 58, Chancery Lane, in the County of Middlesex,
5 Engineer & Patent Agent, do hereby declare the nature of the said Invention
for "IMPROVEMENTS IN THRESHING MACHINES," to be as follows:-
This Invention relates to an improved threshing machines to act on the ends
of the ears of corn, and driven by single-horse power. It consists of a suitable
frame supporting the necessary gear for giving motion to the thresher. This

page_text: thresher is formed of a plain and grooved cylinder supported in movable
bearings, which allow of its approaching more or less near to the beater
(according to the kind of grain to be threshed), which consists of metal bars
forming a kind of grating. The machine is further supplied with inclined
planes for the introduction and exit of the straw, a draught channel for the
dust, in which a rotary fan may be applied, and, lastly, with a screen, into
which the grain falls. Apparatus for cleaning and filling the grain into sacks
may also be added.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said William Clark in the Great Seal Patent Office on the
23rd July 1861.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
CLARK, of 53, Chancery Lane, in the County of Middlesex, Engineer and
Patent Agent, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-third day of January, in the year of our Lord
One thousand eight hundred and sixty-one, in the twenty-fourth year of Her
reign, did, for Herself, Her beirs and successors, give and grant unto me,
the said William Clark, Her special licence that I, the said William Clark,
my executors, administrators, and assigns, or such others as I, the said William
Clark, 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, exercise,
and vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN
THRESHING MACHINES," a communication to him from abroad by Mr. Charles
Emile Lambert, junior, Mechanician, of 29, Boulevart St. Martin, Paris,
upon the condition (amongst others) that I, the said William Clark, my
executors or administrators, by an instrument in writing under my, or their,
or one of their hands and seals, 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.

page_text: NOW KNOW YE, that I, the said William Clark, do hereby declare the
nature of the said Invention, and in, what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement, reference being had to the Sheet of Drawings hereunto annexed,
and to the letters and figures marked thereon (that is to say):
This Invention relates to an improved threshing machine to act on the
heads or ears, of the corn, it may be driven by a single horse-power. It
consists of a suitable frame supporting the necessary gear for giving motion
to the thresher. This thresher is formed of a plain and grooved cylinder
supported in movable bearings, which allow of its approaching more or less
near to the beater, which (according to the kind of grain to be threshed)
consists of metal bars forming a kind of grating. The machine is further
supplied with inclined planes for the introduction and exit of the straw, a
draught channel for the dust, in which a rotary fan may be applied, and,
lastly, with a screen, into which the grain falls. Apparatus for cleaning and
filling the grain into sacks may also be added.

page_text: protected by the herein-before in part recited Letters Patent, is, the arrange-
ment and construction of machinery, herein-before described, applied to
threshing corn and other grain.
In witness whereof, I, the said William Clark, have hereunto set
my hand and seal, this Nineteenth day of July, in the year of our
Lord One thousand eight hundred and sixty-one.
Witness,
W. G. E. SWINNOCK,
53, Chancery Lane.
W. CLARK. (L.S.)