THE MANU- FACTURE FROM MAHOGANY AND OTHER WOODS OF A COLOURING MATTER SIMILAR TO CASHOO
Year: 1872

page_text: LETTERS PATENT to Charles Rave, of Cureghem-lez-Bruxelles, in the
Kingdom of Belgium, Merchant, for the Invention of "THE MANU-
FACTURE FROM MAHOGANY AND OTHER WOODS OF A COLOURING MATTER SIMILAR
TO CASHOO."

page_text: 2º. I then submit the wood to a washing and boiling in a variable
quantity of water.
3°. The liquors thus obtained are concentrated to a sirupy or dry state
by evaporation.
I do not propose to confine myself to the method above described of
obtaining the extract, but propose to claim this extract however obtained,
together with its application in lieu of cashoo, wherever this latter is now
employed.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Charles Rave in the Great Seal Patent Office on
the 2nd May 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, CHARLES..
RAVE, of Cureghem-lez-Bruxelles, in the Kingdom of Belgium, Merchant,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fourth day of November, in the year of our.
Lord One thousand eight hundred and seventy-two, in the thirty-sixth
year of Her reign, did, for Herself, Her heirs and successors, give and
grant unto me, the said Charles Rave, Her special licence that I, the
said Charles Rave, my executors, administrators, and assigns, or such.
others as I, the said Charles Rave, 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 "THE MANUFACTURE FROM MAHOGANY AND
OTHER WOODS OF A COLORING MATTER SIMILAR TO CASHOO," upon the condition
(amongst others) that I, the said Charles Rave, 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: MANUFACTURE.
1º. I first reduce the aforesaid woods into shavings or into powder.
2°. I then submit the wood to a washing and boiling in a variable
quantity of water.
3°. The liquors thus obtained are concentrated to a sirupy or dry state
by evaporation.
Having now described and ascertained the nature of my said In-
vention, and in what manner the same is or may be performed, I would
have it understood that I do not limit myself to the above described
method of obtaining the extract, but that what I claim as secured to me
by the herein-before in part recited Letters Patent is,-
1º. The extract contained in mahogany and rose woods in whatever
manner it may be obtained.
2°. The application of this extract instead and place of cashoo in all
the manufactures in which cashoo is used.
In witness whereof, I, the said Charles Rave, have hereunto set my
hand and seal, this Thirtieth day of April, in the year of our Lord
One thousand eight hundred and seventy-three.
LOUIS ROBIN.
JEAN BAPTISTE GIRARD.
CH. RAVE. (L.S.)