DISINCRUSTING AND PRE- VENDING THE INCRISTATIONS IN STEAM BOILERS " PROVISIONAL SPECIFICATION
Year: 1874

page_text: LETTERS PATENT to Jean Baptiste Deluy, Metal Refiner and Finisher,
of Naples, 559, San Giovanni a Treduccio, Kingdom of Italy,
actualy 38, Finsbury Circus, at the French Consul-General Office,
London, England, for the Invention of "DISINCRUSTING AND PRE-
VENDING THE INCRISTATIONS IN STEAM BOILERS "
PROVISIONAL SPECIFICATION left by the said Jean Baptiste Deluy at
the Office of the Commissioners of Patents, with his Petition, on
the 30th November 1874.
I, JEAN BAPTISTE DELUY, Metal Refiner and Finisher, of Naples,
559, San Giovanni a Teduccio, Kingdom of Italy, actualy 38, Finsbury
Circus, at the French Consul-General Office, London, England, do hereby
declare the nature of the said Invention for "DISINCRUSTING AND PRE-
VENTING THE INCRUSTATIONS IN STEAM BOILERS." to be as follows:-

page_text: ducing it in any boiler through the man-hole so as to be in contact direct
with the boiler itself, but I put it in only when the supply of water is
completed. It cannot be introduced through injectors or supplying
pump, consequently it cannot be used when there is any pressure of
Once introduced in boilers the engine can be used during fifteen
days without any more introduction of powder, working all the time if
wanted.
steam.
My disincrusting powder, which I name Disincrustant Marseillais,
is obtained from one only vegetable produce. It is neither a compound
nor a mixture, but one single vegetable produce reduced to the state of
powder.
The quantity required is two pounds for ten horses steam power in an
incrusted boiler and one pound only when the boiler is clean. The said
quantity of powder is required only once every fifteen days.
Through my process the boilers are disincrusted by spontaneous action
by the ebullition; the incrustation is dissolved and goes out through the
tan nurger.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
:
filed by the said Jean Baptiste Deluy in the Great Seal Patent Office
on the 28th May 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JEAN
BAPTISTE DELUX, Metal Refiner and Finisher, of Naples, 559, San
Giovanni a Teduccio, Kingdom of Italy, actually 38, Finsbury Circus,
at the French Consul-General Office, London, Gentleman, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirtieth day of November, in the year
of our Lord One thousand eight hundred and seventy-four, in the thirty-
eighth year of Her reign, did, for Herself, Her heirs, and successors, give
and grant unto me, the said Jean Baptiste Deluy, Her special licence that
I, the said Jean Baptiste Deluy, my executors, administrators, and assigns,
or such others as I, the said Jean Baptiste Deluy, my executors, admini-
strators, and assigns, should at any time agree with, and no others,

page_text: 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 "DISINCRUSTING AND PRE-
VENTING THE INCRUSTATION IN STEAM BOILERS," upon the condition (amongst
others) that I, the said Jean Baptiste Deluy, my executors or admini-
strators, 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.
NOW KNOW YE, that I, the said Jean Baptiste Deluy, do hereby
declare the nature of my said Invention, and in what manner the same
is to be performed, to be particularly described and ascertained in and
by the following statement:-
My process consists in a vegetable powder which I employ in intro-
ducing it in any boiler through the man-hole, so as to be in contact direct
with the boiler itself, but I put it only when the supply of water is
completed. It cannot be introduced through injectors or supplying
pump, consequently it cannot be used when there is any pressure of
steam. Once introduced in boilers the engine can be used during fifteen
days without any more introduction of powder, working all the time if
wanted.
My disincrusting powder, which I name Disincrusting Marseillais, is
obtained from one only vegetable produce. It is neither a compound or
a mixture, but one single vegetable produce reduced to the state of
powder called "cachou," a greasy body procured from Japan.
The quantity required is two pounds for ten horses steam power in an
incrusted boiler and one pound only when the boiler is clean. The said
quantity of powder is required only once every fifteen days.
Through my process the boilers are disincrusted by spontaneous action
by the ebulition; the incrustation is dissolved and goes out through the
tap purger.
Having thus described my said Invention, I declare that what I claim
and desire to be secured to me by the herein-before in part recited Letters

page_text: Patent is, the new mode or method of disincrusting and preventing the
incrustation in steam boilers by the means and in the manner substan-
tially as herein-before described.
In witness whereof, I, the said Jean Baptiste Deluy, have hereunto
set my hand and seal, this Twenty-fourth day of May, in the
year of our Lord One thousand eight hundred and seventy-
five.