REN- DRING SOAP SUDS, AFTER BEING USED IN SCOWERING, CLEANSING, OR DISCHARGING, OF SUFFICIENT EFFICACY TO SERVE AGAIN FOR THAT OR THE LIKE PURPOSES, AND TO MAKE SOAP THEREFROM
Year: 1780

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SAMUEL
UNWIN the younger, of Ashfield, in the County of Nottingham, Merchant,
send greeting.
WHEREAS His most Excellent Majesty King George the Third, by His
Letters Patent under the Great Seal of Great Britain, bearing date at West-
minster, the Fourteenth day of June, in the twentieth year of His reign, did
give and grant unto me, the said Samuel Unwin' the younger, my executors,
administrators, and assigns, for and during the term of years therein expressed,
His especial licence, for the sole using, exercising, and vending, within
England, Wales, and Town of Berwick-upon-Tweed, my Invention of "REN-
DRING SOAP SUDS, AFTER BEING USED IN SCOWERING, CLEANSING, OR DISCHARGING,
OF SUFFICIENT EFFICACY TO SERVE AGAIN FOR THAT OR THE LIKE PURPOSES, AND TO
MAKE SOAP THEREFROM;" in which Letters Patent there is contained a proviso
obliging me, the said Samuel Unwin the younger, under my hand and seal,
to cause a particular description of the nature of my said Invention; and how
the same is to be performed, to be inrolled in His Majesty's High Court
of Chancery within four calendar months after the date of the said recited
Letters Patent, as in and by the same, reference being thereto had, may more
fully and at large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
Samuel Unwin, do hereby declare that my said Invention of Rendering Soap
Suds, after having been used in Scowering, Cleansing, or Discharging, of suffi-
cient Efficacy to serve again for the same or the like Purpose, and to make
Soap therefrom, is described as is herein-after mentioned, that is to say :-
That the said soap suds, after having been used in scowering, cleansing, or
discharging the oil, grease, gum, or other matter usually contained in or
منا

page_text: adhering to any wool, silk, linen, cotton, or any other materials, manufacture,
or goods, which usually require scowering, cleansing, or discharging, till ren-
dered unfit to perform effectually the like operation, by reason of the said suds
being surcharged, with oil, grease, gum, or other matter, together with dirt or
earthly particles discharged thereinto from the said materials or goods, are put
into a dress pan or boiler, under which a fire being made, and the suds
thereby heated to or near a boiling heat, a scum of oil, grease, gum, or other
like matter having a dirty appearance will arise to the surface thereof; which
scum, together with all the superfluous oil, grease, gum, and other like matter
contained in the aforesaid suds or liquid, must be saturated or dissolved, by
adding thereto pot ashes or other alkaline salts, or matter having the like
nature or properties, or lies made thereof, or of the soluable part of lime or
lime and alkaline salts mixed together, which must be put into the copper or
boiler containing the suds by little and little, stirring and mixing the same
well together, and continuing them at a very strong heat, till the scum shall
totally dissolve and disappear; which disappearance of scum and appearance of
foam or froth in the place thereof are proofs that the alkaline salt or other like
matter so added has saturated or dissolved the said superfluous oil, grease, gum,
or other matter as aforesaid.
The quantity of alkaline salt required cannot be exactly ascertained, by
reason that the suds will be more or less charged with superfluous oil, grease,
gum, or other like matter, and the alkaline salt being of different degrees of
purity; but if pure one ounce of salt or less, if rendered more caustick by
means of lime, will be sufficient to rectify the suds for each pound of wool
that has been scowered therein, supposing such wool to contain about two
ounces of oil, grease, gum, or other matter as aforesaid. The suds being thus
partly saturated or corrected with alkaline salts, or other matter having the
like nature or properties, must be continued at a strong heat, or boil for one
or two hours or more, according to the largeness of the pan or briskness and
strength of the fire under it; after which the fire must be discontinued, that
the earthy part which was discharged from the wool or other materials or goods
into the suds may, as the heat decreases, precipitate to the bottom of the pan
and leave the rectified suds or composition in the upper part thereof in purity.
The suds will then be found in a fit state for scowering, cleansing, or dis-
charging, as may be proved by a trial being made thereof for the purpose of
scowering, cleansing, or discharging, in the same manner as with suds made
from soap dissolved in water. The said suds are not to be thrown away after
having been once rectified, but may be used and rectified time after time by
the means described, the quantity or efficacy always increasing with every
additional operation in proportion to the quantity of oil, grease, gum, or other

page_text: matter added by each scowering and the salt and other matter required to cor-
rect the same.
To make soap of the above rectified suds or composition, draw off
from the deep pan or vessel in which they have been rectified with a crane
or pipe, added to the pan or vessel for the like purpose, as much of this
liquid as can be got therefrom without disturbing or mixing therewith the
grounds or earthy parts that have precipitated to or remain at or near the
bottom; which put into a shallow pan and with a fire evaporate as much of
the watery part as may be necessary to bring the same rectified suds or com-
position to the consistence usually required for soap, and add thereto the usual
proportion of marine salt, as practiced by soap makers in the common
method, in order that the watery part may be more effectually seperated from
the substance, which will then become hard soap, haveing the usual properties
of that article. But for soft soap no marine salt is necessary; the simple
rectified suds evaporated to a proper degree of consistence becoming thereby
the same or having the like uses as soft soap made from the usual ingre-
dients.
Given under my hand and seal, the Fourteenth day of August, in the
aforesaid twentieth year of the reign of His Majesty King George the
Third, and in the year of our Lord One thousand seven hundred and
. eighty.
W LEVERTON.
THO. DODSON.
AND BE IT REMEMBRED, that on the same Fourteenth day of August,
in the year above mentioned, the aforesaid Samuel Unwin Junior, came
before our said Lord the King in His Chancery, and acknowledged the
Specification 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
William and Mary late King and Queen of England, and so forth.
Inrolled the Nineteenth day of August, in the year above mentioned.