A NEW AND PECULIAR METHOD OF MAKING SALT PETRE
Year: 1775

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, PIERRE
THEODORE DE BRUGES, late of Arundel Street, in the Strand, in the. Parish of
Saint Clement Danes, in the County of Middlesex, but now of Piccadilly, in
the Liberty of Westminster, in the County of Middlesex aforesaid, Gentleman,
send greeting.
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WHEREAS His most Excellent Majesty King George the Third hath
been graciously pleased, by His Letters Patent under the Great Seal of Great
Britain, bearing date the Twenty-seventh day of October, in the sixteenth
year of His said Majesty's reign, to give and grant unto me, the said
Pierre Theodore De Bruges, my executors, adñors, and assigns, His especial
licence, full power, sole privilege and authority, that I, the said Pierre
Theodore De Bruges, my exors, adñiors, and assigns, and every of them, by
myself and themselves, or by: my or their deputy .or deputies,- servants or.
agents, or such others as I, the said. Pierre. Theodore De Bruges, my exors,
admors, and assigns,, should at any time agree with, and no others, should and
lawfully might, from time to time and at all times hereafter during the term
of years, therein expressed, make, use, exercise, and vend,...within that part
of Great Britain called England, the Dominion of Wales, and Town of
Berwick-upon-Tweed, and also within all His Majesty's Colonies and Planta-
tions abroad, my new Invention of.. A NEW AND PECULIAR METHOD OF MAKING
SALT PETRE," in such manner as, to me, my exors, admors, and assigns, or any.
of them, should in my or their. discretions seem meet, and that I, the said
Pierre Theodore De Bruges, my exors, admors,, and assigns, should and law-.

page_text: fully might have and enjoy the whole profit, benefit, commodity, and advantage
from time to time coming, growing, accruing, and arising by reason of the
said Invention, for and during the term therein mentioned, to have, hold,
exercise, and enjoy the said licence, powers, priviledges, and advantages therein
granted or mentioned to be granted unto me, the said Pierre Theodore De
Bruges, my executors, admors, and assigns, for and during and unto the full
end and term of fourteen years from the date of the said Letters Patent next
and immediately ensuing, and fully to be compleat and ended according to the
Statute in such case made and provided; and whereas in the said Letters
Patent there is contained a proviso that I, the said Pierre Theodore De Bruges,
should particularly describe and ascertain the nature of my said Invention,
and in what manner the same is to be performed, by an instrument in writing
under my hand and seal, and cause the same to be inrolled in the High Court
of Chancery within four calendar months next and immediately after the date
of the said Letters Patent, as in and by the said Letters Patent, relation
being thereunto had, will more fully and at large appear.
NOW KNOW YE, that in obedience to the said Letters Patent, and the
proviso therein contained, I, the said Pierre Theodore De Bruges, do hereby"
declare (and that for the greater certainty both in the English and French
languages) that the nature of my said Invention of A New and Peculiar
Method of Making Salt Petre is, and that it doth consist of, the several
ingredients, and that the manner in which the same is to be performed is
as follows (that is to say) :-
Take separately or together, for the basis or first foundation, either sea salt,
or fountain salt, or mountain salt, or sal gem or vegetable salt, or vitriolic,
vegetable, mineral, or animal salt, which are to be fermented either by the wet
way or by the dry way; the quantity at pleasure. Or else take such of the
salts aforesaid as shall be judged proper, or all together, and let them be fer-
mented either by the wet way or by the dry way; the quantity at pleasure.
Unite the basis of the aforesaid fermented salts (or such salt of the aforesaid
salts as shall have been fermented) with either animal or vegetable phlogiston,
or with both together, which phlogistons are to be calcined by the wet putri-
fying way, or distilled according to the custom of distillation. The union of
the saline bases, or of the fermented salts conjoined or separated, with the
animal or vegetable phlogistons or both together above specified, compose
salt petre, by the means of earth, water, and air, which co-operate to the per-
fection of the salt petres, vulgarly named nitre with a vegetable basis, nitre
with a mineral basis, and nitre with an animal basis. As soon as the salt petres
are arrived at their degree of perfection, that is to say, when the basis shall be

page_text: perfectly united with the phlogistons, you must filter them according to the
usage of salt petre makers, to extract the salt petres therefrom, by means of
evaporation and christallization. This salt petre is called impure salt petre;
purify the salt petre by separating from it all its impurities, as earth and
sea water, which render all salt petre imperfect.
Prenez, separement ou conjointment, la base ou le fendement premier, soit
du sel de mer, soit sel de fontaine, soit sel des montagnes, soit sel gemme, soit sel
vegetal, soit sel vitriole, vegetal, ou mineral, ou animal, que l'on fera fermenter
ou par la voye humide, ou par la voye sêche; la quantite qu'on voudra. Ou
bien prenez tel sel susdit que l'on jugera a propos ou tous ensembles et on les
fera fermenter, ou par la voye humide ou par la voye sêche; la quantite qu'on
voudra. Vous unirez les bases des susdits sels fermentes (ou tel sel des susdits
sels qu'on aura fermente) avec flogistique, soit animal ou soit vegetal, ou avec
les deux ensembles. Les quelles flogistiques doivent être calcinées par la
voye humide putrifiante, ou distillées suivant l'usage de la distillation. L'union
des bases salines ou des sels fermentez conjoints ou separes, avec la flogistique
animal ou vegetal, ou toutes les deux ensemble, enoncées ci-dessus, composent
le sal petre par les moyens de la terre, de l'eau, et de l'air, qui co-operent à la
perfection des sal petres qu'on nomine vulgairement nitre a base vegetal,
nitre a base mineral, et nitre a base animal, aussitôt que les sal petres seront
parvenus a l'air degree de perfection. C'est à dire, quand les bases seront par-
faitement unis aux flogistiques vous enferez la filtration suivant l'usage des
sal petriers, pour en extraire les sal petres, par le moyen de l'evaporation et
de la cristillization. Ce sal petre de nomme sal petre impur; purifiez ce sal
petre en enfaizant la separation de toutes les impuretes, comme terre et eau
de mer, qui rendent imparfait tout sal petre..
In witness whereof, I, the said Pierre Theodore De Bruges, have here-
unto set my hand and seal, this Twenty-fourth day of February, in the
sixteenth year of the reign of His said Majesty King George the
Third, and in the year of our Lord One thousand seven hundred and
seventy-six.

page_text: AND. BE IT REMEMBERED, that on the Twenty-fourth day of February,
in the year of our Lord 1776, the aforesaid Pierre Theodore De Bruges came
before our said Lord the King in His Chancery, and acknowledged the Specifi-
cation aforesaid, and all and every thing therein contained and specified, in form
above written. And also the Specification aforesaid was stampt according
to the tenor of the Statute made in the sixth year of the reign of the late
King and Queen William and Mary of England, and so forth.
Inrolled the Twenty-fourth day of February, in the year of our Lord
One thousand seven hundred and seventy-six."