IMPROVEMENTS IN PRINTING POSTAGE STAMPS, BANKERS' BILL SHARES, AND PROVISIONAL SPECIFICATION
Year: 1863

page_text: LETTERS PATENT to Louis Francois Chezaud, of No. 3, Rue des Capucins,
St. Jacques, and Henry Jeremie Christen, of No. 6, Rue Neuve d'Orleans,
in the City of Paris, in the Empire of France, for the Invention of
"IMPROVEMENTS IN PRINTING POSTAGE STAMPS, BANKERS' BILL SHARES, AND
PROVISIONAL SPECIFICATION left by the said Louis Francois Chezaud
and Henry Jeremie Christen, at the Office of the Commissioners of
Patents, with their Petition, on the 19th September 1863.
We, LOUIS FRANCOIS CHEZAUD, of No. 3, Rue des Capucins, St. Jacques,
and HENRY JEREMIE CHRISTEN,. of No. 6, Rue Neuve d'Orleans, in the City
of Paris, in the Empire of France, do hereby declare the nature of the
Invention for "IMPROVEMENTS IN PRINTING POSTAGE STAMPS, BANKERS' BILLS,
SHARES, AND OTHER SIMILAR DOCUMENTS, AND IN MACHINERY EMPLOYED THEREIN," to
be as follows:-
The Invention relates to improvements in printing postage stamps, bankers'
bills, shares, and other similar documents requiring a rapid reproduction and
exact similarity of the copies. For this purpose machinery such as is now
used for printing calicos and paperhangings may be employed, but it is preferred
to employ machinery of the following description, arranged in such manner as
to produce at will an impression from a cylinder or segment of a cylinder
operating by rotary motion.

page_text: For printing postage stamps or bankers' bills or other documents requiring
perfectly similar repetitions of the engraving, the subject or device is engraved
upon a segmental plate or small cylinder of soft steel, which is afterwards
hardened; a copy of this engraving is taken in relief upon another similar-
cylinder by means of a press; this cylinder is then hardened, and may be
used to obtain any desired number of copies in steel identical with the original
engraving.
For postage stamps the place for the number or indication of value is left
blank on the original engraving, and is afterwards engraved on the copies
obtained from the copy in relief; these copies are then hardened, and serve to
produce the copies in relief necessary to engrave the cylinders or segments of
cylinders, which are of copper, brass, or other suitable material. For this
purpose the cylinder is placed in bearings carried by a lathe, and by means of
a lever carrying the copy in relief of the engraving, it is forced into the
surface of the cylinder; the impression is repeated at the desired intervals on
the cylinder, by means of gauge marks thereon, or on the framing of the
machine.
The engraving may also be done by hand by means of the graver or acid,
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Louis François Chézaud and Henry Jérémie Christen in the
Great Seal Patent Office on the 18th March 1864.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, Louis
FRANÇOIS CHEZAUD, of No. 3, Rue des Capucins, St. Jacques, and HENRY
JEREMIE CHRISTEN, of No. 6, Rue Neuve d'Orléans, in the City of Paris, in
the Empire of France, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Nineteenth day of September, in the year of our Lord
One thousand eight hundred and sixty-three, in the twenty-seventh year of
Her reign, did, for Herself, "Her heirs and successors, give and grant unto
us, the said Louis François Chézaud and Henry Jérémie Christen, Her
special licence that we, the said Louis François Chézaud and Henry Jérémie
Christen, our executors, administrators, and assigns, or such others as we, the
said Louis François Chézaud and Henry Jérémie Christen, our executors,
administrators, and assigns, should at any time agree with, and no others, from
time to time and all times thereafter during the term therein expressod, should

page_text: "
and lawfully might make, use, exercise, and vend, within the United King-
dom of Great Britain and Ireland, the Channel Islands, and Isle of Man,
an Invention for "IMPROVEMENTS IN PRINTING POSTAGE STAMPS, BANKERS' BILLS,
SHARES, AND OTHER SIMILAR DOCUMENTS, AND IN MACHINERY EMPLOYED THEREIN,"
upon the condition (amongst others) that we, the said Louis François
Chézatid and. Henry Jérémie Christen, our executors or administrators, by
an instrument in writing under our, or their hands and seals,.or under the hand
and seal of one of us or them, 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 Patént.
NOW KNOW YE, that we, the said Louis François Chézaud and Henry
Jérémie Christen, do hereby declare 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: -
The Invention relates to improvements in printing postage stamps, bankers'
bills, shares, and other similar documents requiring a rapid reproduction and
exact similarity of the copies. For this purpose machinery such as is now
used for printing calicos and paperhangings may be employed, but it is
preferred to employ machinery having printing surfaces of the following
description, and arranged in such manner as to produce at will an impression
from a cylinder or segment of a cylinder operating by rotary motion.
For printing postage stamps or bankers' bills or other documents requiring
perfectly similar repetitions of the engraving, the subject or device is engraved
upon a segmental plate or small cylinder of soft steel, which is afterwards
hardened; a copy of this engraving is taken in relief upon another similar
cylinder by means of a press; this cylinder is then hardened, and may be used
to obtain any desired number of copies in steel identical with the original
engraving.
For postage stamps, the place for the number or indication of value is
left blank on the original engraving, and is afterwards engraved on the copies
obtained from the copy in relief; these copies are then hardened and serve to
produce the copies in relief necessary to engrave the cylinders or segments of
cylinders, which are of copper, brass, or other suitable material. For this
purpose the cylinder is placed in bearings carried by a lathe or engraving
engine, and by means of a lever carrying the copy in relief of the engraving
the copy in relief is forced into the surface of the cylinder; the impression is
repeated at the desired intervals ou the cylinder by meaus of gauge marks

page_text: thereon, or on the framing of the machine. The engraving may also be done
by hand, by means of the graver or acid; or by the use of the copy of the
engraving in relief combined with the graver and acid.
In witness whereof, we, the said Louis François Chézaud and Henry
Jérémie Christen, have hereunto set our hands and seals, this Twelfth
day of March, in the year of our Lord One thousand eight hundred
and sixty-four.
T. BASSET.
LOUIS FRANÇOIS CHÉZAUD.
(L.S.)
HENRY JÉRÉMIE CHRISTEN. (L.B.)