AN IMPROVEMENT IN THE MANUFACTURE OF SOAP TO WASH WITH SEA WATER, WITH HARD WATER, AND WITH SOFT WATER
Year: 1811

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
EVERHARD Baron VON DOORNIK, late of Broad Street, Golden Square, in
the County of Middlesex, but now of Wells Street, Wellclose Square, in the
said County, send greeting.
WHEREAS His most Excellent Majesty King George the Third in and
by His Letters Patent under the Great Seal of Great Britain, bearing date
at Westminster, the Twenty-seventh day of April, now last past, for Himself,
His heirs and successors, did give and grant unto me, the said William
Everhard Baron Von Doornik, His especial license, full power, sole privilege,
and authority, that I, the said William Everhard Baron Von Doornik, my
executors, administrators, and assigns, or such others as I, the said William
Everhard Baron Von Doornik, my executors, administrators, or assigns, should
at any time agree with, and no others, from time to time, and at all times
during the term of years therein expressed, should and lawfully might make
use, exercise, and vend, within England, Wales, and the Town of Berwick-
upon-Tweed, and in all His said Majesty's Colonies and Plantations abroad,
my Invention of "AN IMPROVEMENT IN THE MANUFACTURE OF SOAP TO WASH
WITH SEA WATER, WITH HARD WATER, AND WITH SOFT WATER;" in which
said Letters Patent there is contained a proviso, obliging me, the said William
Everhard Baron Von Doornik, by an instrument in writing under my hand
and seal, particularly to describe and ascertain the nature of my said Inven-
tion, and in what manner the same is to be performed, and to cause the
same to be inrolled in His Majesty's High Court of Chancery within six
calendar months next and immediately after the date of the said recited

page_text: Letters Patent, as in and by the same, reference being thereto had, will
more fully appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
William Everhard Baron Von Doornik, do hereby declare that the nature of
of my said Invention, and the manner in which the same is to be performed,
are particularly described and ascertained as follows (that is to say):-
Firstly, to make soap to wash with sea water, and with hard water; I take
one hundred bushels, Winchester measure, of crude or unprepared bones, and,
after chopping the same small, I pass them through a mill, commonly called
a hedge-hog bone mill, and reduce them to a complete pulp, or otherwise I
do by pounding, grinding, or by other well-known fit and mechanical means,
reduce the said bones to a complete pulp; and I do put the said pulp into a
shallow iron pan or other boiler, with the addition of five hundred gallons, or
thereabouts, of weak soap lees, and keep the whole boiling for twenty-four
hours, taking particular care, by putting in the pulp gradually, and by constant
stirring of the mass, to prevent any adhesion to the bottom of the pan, which
would destroy the vessel, and occasion the loss of the goods; and after the
said time of boiling I draw or extinguish the fire, and leave the materials at
rest for three hours, or for a sufficient time for the neat goods, or imperfectly
.soapy matter to rise to the top. I then skim or take off the same and put
them into a common soap pan, and proceed to bring them to the fair strength
of soap, by the successive addition of lees and boiling and separating, as com-
monly practised, and during the last-mentioned process I add ten hundred-
weight of calcined and pulverised bones, first mixed with, and left to macerate
in the cold for twenty-four hours, in about one thousand gallons of water,
which I add altogether along with the said pulverised bones; and after the
said addition, I proceed to finish the soap in the common way, only taking
care to make it very strong, and to keep it constantly agitated. And I do
farther declare that I have, in some of my boilings, introduced about one
hundredweight of pure tallow, or other fat, fit for soap making, along with
every ten hundred weight of the aforesaid goods obtained from bones, but that
I do not consider such addition as an object of any consequence or materi 1
advantage.
Secondly, to make common soap, or soap to be used in washing with soft
water, my said improvement doth consist in the use of the neat -goods, or
imperfectly soapy matter, herein-before mentioned, either wholly or in any
required proportion, instead of tallow, or such other materials as have been
heretofore used in making soap. And in the manufacture of the said common
soap, I do not add the macerated powder of bones, but I do add, more or less,

page_text: of the several ingredients (such as oils, resins, and the like) commonly used
in making soap, in such proportions as the nature and description of the
article intended for the market may require.
And lastly, I do declare that the quantities or relative proportions of the
several materials or ingredients, herein-before mentioned, or described, may be
varied, not only according to the quantities of soap intended to be made, but
likewise to a certain moderate extent, as to the relative quantities of each
with regard to the others, without injury to the general effects intended to be
produced, as aforesaid.
In witness whereof, I, the said William Everhard Baron Von Doornik,
have hereunto set my hand and seal, this Nineteenth day of October,
in the year of our Lord One thousand eight hundred and eleven.