AN IMPROVED METHOD OF PRESERVING FROM FIRE BOOKS AND OTHER ARTICLES IN SAPES
Year: 1865

page_text: LETTERS PATENT to Friedrich Wiese, of Vienna, in the Empire of
Austria, Manufacturer of Safes, for the Invention of "AN IMPROVED
METHOD OF PRESERVING FROM FIRE BOOKS AND OTHER ARTICLES IN SAPES."
Sealed the 4th July 1865, and dated the 9th January 1865.
PROVISIONAL SPECIFICATION left by the said Friedrich Wiese at
the Office of the Commissioners of Patents, with his Petition, on the
9th January 1865.
I, FRIEDRICH WIESE, of Vienna, in the Empire of Austria, Manufacturer.
of Safes, do hereby declare the nature of the said Invention for "AN IMPROVED
METHOD OF PRESERVING FROM FIRE BOOKS AND OTHER ARTICLES IN SAFES," to be
as follows:-
My Invention consists in fitting inside the safe a box or apparatus
formed with small holes and containing any material, unburnt kali, alum,
for example, which in its normal condition has no injurious effect on
the iron of the safe, and which on the heat reaching such a high temperature

page_text: as would injure the contents of the safe immediately generates steam so as
to damp the books and other articles in the safe, and thereby preserve them
from fire.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Friedrich Wiese, in the Great Seal Patent Office on the
8th July 1865.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, FRIEDRICHI
WIESE, of Vienna; in the Empire of Austria, Manufacturer of Safes, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Ninth day of January, in the year of our Lord
One thousand eight hundred and sixty-five, in the twenty-eighth year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
mė, the said Friedrich Wiese, Her special licence that I, the said Friedrich
Wiese, my executors, administrators, and assigns, or such others as I, the
said Friedrich Wiese, 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 "AN
IMPROVED METHOD OF PRESERVING FROM FIRE BOOKS AND OTHER ARTICLES IN
SAFES," upon the condition (amongst others) that I, the said Friedrich Wiese,
my executors or administrators, by an instrument in writing under my, or
their, or one of their hands and seals, should particularly describe and ascer-
tain 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.
NOW KNOW YE, that I, the said Friedrich Wiese, do hereby declare the
nature of my 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, that is to say :-
My Invention consists in fitting or placing inside the safe a box or
apparatus formed with small holes and containing any material (unburnt
kali, alum, for example) which in its normal condition has no injurious

page_text: effect on the iron of the safe, and which on the heat reaching such a high
temperature as would injure the contents of the safe immediately generates
steam so as to damp the books and other articles in the safe, and thereby
preserve them from fire.
temperature as would injure the contents of the safe immediately generates
steam so as to damp the books and other articles in the safe, and thereby
preserve them from fire.
In witness whereof, I, the said Friedrich Wiese, have hereunto set my
hand and seal, this Fourth day of July, One thousand eight hundred
and sixty-five.
In witness whereof, I, the said Friedrich Wiese, have hereunto set my
hand and seal, this Fourth day of July, One thousand eight hundred
and sixty-five.