A FURNACE TO CONTAIN DOUBLE BOTTOM POTTS, OR ANY OTHERS, FOR THE BETTER MELTING, PREPARING, AND PRESERVING ALL SORTS OF GLASS WARES, WHICH FURNACE IS CONTRIVED IN A NEW MANNER WITH ARTIFICIAL DRAUGHTS TO IT, WHEREBY TO. FORCE THE HEAT OF FIRE THE 800NER TO PERFORM ITS OFFICE, AS WELL AS A FURNACE WITH ARTIFICIAL DRAUGHTS FOR THE BETTER WARNING AND FLASHING OF CROWN GLASS BY FEEDING IT WITH FEWELL AT TEASING HOLES, WHICH WILL MUCH REDUCE THE EXPENCE OF COAL; AND HATH ALSO FOUND OUT A NEW METHOD: FOR THE MORE EFFECTUAL PRESERVING ALL SORTS OF WINDOW GLASS, WHEN NEALING IN THE KILN, BY LEAVING OFF DROSSERS, AND USING IN THEIR STEAD MATHEMATICAL BACKS, MADE OF IRON, CLAY, OR STONE, OR ANYTHING ELSE THAT WILL ENDURE THE FIRE, ALL WHICH WILL BE OF GENERAL USE AND BENEFIT TO THE PUBLICK
Year: 1734

page_text: presents shall come, greeting..
WHEREAS HUMPHRY PERROTT, of our city of Bristol, Glass Maker, hath.
by his petition humbly represented unto us, that he hath been bred up and
followed the trade and mystery of a Glass Maker, and for some years has
been endeavouring to make finer metal than heretofore, as well as to render
it cheaper to our subjects, which at length he has accomplished by inventing
"A FURNACE TO CONTAIN DOUBLE BOTTOM POTTS, OR ANY OTHERS, FOR THE BETTER
MELTING, PREPARING, AND PRESERVING ALL SORTS OF GLASS WARES, WHICH FURNACE
IS CONTRIVED IN A NEW MANNER WITH ARTIFICIAL DRAUGHTS TO IT, WHEREBY TO.
FORCE THE HEAT OF FIRE THE 800NER TO PERFORM ITS OFFICE, AS WELL AS A
FURNACE WITH ARTIFICIAL DRAUGHTS FOR THE BETTER WARNING AND FLASHING
OF CROWN GLASS BY FEEDING IT WITH FEWELL AT TEASING HOLES, WHICH WILL
MUCH REDUCE THE EXPENCE OF COAL; AND HATH ALSO FOUND OUT A NEW METHOD:
FOR THE MORE EFFECTUAL PRESERVING ALL SORTS OF WINDOW GLASS, WHEN NEALING
IN THE KILN, BY LEAVING OFF DROSSERS, AND USING IN THEIR STEAD MATHEMATICAL
BACKS, MADE OF IRON, CLAY, OR STONE, OR ANYTHING ELSE THAT WILL ENDURE THE
FIRE, ALL WHICH WILL BE OF GENERAL USE AND BENEFIT TO THE PUBLICK;" that
the petitioner hath been at much pains and great charges in bringing this
his invention to perfection, he hath therefore most humbly prayed us to
grant him our royal Letters Patents for the sole benefit and advantage of his
said new Invention for the term of fourteen years, according to the statute
in such case made and provided, wee, being willing to give encouragement

page_text: to all arts and inventions which may be for the publick use and benefit, are
graciously pleased to gratify him in his request.
KNOW YE THEREFORE, that wee, of our especial grace, certain know-
ledge, and meer motion, have given and granted, and by these presents, for us,
our heirs and successors, do give and grant unto the said Humphry Perrott,
his exccutors, adıministrators, and assigns, our especial lycence, full power,
solo priviledge and authority, that he, the said Humphry Perrott, his exe-
cutors, administrators, and assigns, and every of them, by himself and them-
selves, or by his and their deputy or deputyes, servants or agents, or such
others as he, the said Humphry Perrott, his executors, administrators, or
assigns, shall at any time agree with, and no others, from time to time and at
all times hereafter during the term of years herein expressed, shall and lawfully
may make, use, exercise, and vend his said now-Invention, as above described,
within that part of our kingdom of Great Britain called England, our domi-
nion of Wales, and town of Berwick-upon-Tweed, in such manner as to him,
the said Humphrey Perrott, his executors, administrators, and assigns, or
any of them, shall in their discretions seem meet, and that he, the said
Humphry Perrott, his executors, administrators, and assignes, shall and lawfully
may have and enjoy the whole profit, benefit, comodity, and advantago from
time to time coming, growing, accrueing, and arising by reason of the said
Invention for and during the term of years herein mentioned, to have, hold,
exercise, and enjoy the said lycence, powers, priviledges, and advantages
herein-before granted or mentioned to be granted unto the said Humphry
Perrott, his executors, administrators, and assigns, for and during and unto
the full end and term of fourteen years from the date of these presents next
and immediately ensuing, and fully to be compleat and ended, according to the
statute in such case made and provided. And to the end that the said Hum-
phry Perrott, his executors, administrators, and assigns, and every of them,
may have and enjoy the full benefit and the sole use and exercise of the said
Invention, according to our gratious intention herein-before declared, wee do
by these presents, for us, our heirs and successors, require and strictly
comand all and every person and persons, bodyes politick and corporate, and
all other our subjects whatsoever, of what estate, quality, degree, name, or
condition soever they be, within that said part of our kingdom of Great
Britain called England, our dominion of Wales, and town of Berwick-upon-
Tweed aforesaid, that neither they or any of them, at any time during the
continuance of the said term of fourteen years hereby granted, either
directly or indirectly, do make, use, or put in practice the said Invention, o
any part of the same so attained unto by the said Humphry Perrott a

page_text: aforesaid, nor in anywise counterfeit, imitate, or resemble the same, nor shall
make or cause to be made any addition thereunto or substraction from the
same, whereby to pretend himself or themselves the inventor or inventors,
devisor or devisors thereof, without the lycence, consent, or agreement of the
said Humphry Perrott, his executors, administrators, or assigns, in writing
under his or their hands and seals, first had and obteined in that behalf, upon
such pains and penaltyes as can or may be justly inflicted on such offenders
for their contempt of this our royal comand, and further to be answerable
to the said Humphry Perrott, his executors, administrators, and assigns,
according to law, for his and their damages thereby occasioned. And
moreover wee do by these presents, for us, our heirs and successors, will and
comand all and singular the justices of the peace, mayors, sheriff's, bayliffs,
constables, headboroughs, and all other officers and ministers whatsoever of
us, our heirs and successors for the time being, that they or any of them
do not nor shall, at any time hereafter during the said term hereby granted,
in anywise molest, trouble, or hinder the said Humphry Perrott, his executors,
administrators, or assigns, or any of them, or his or their deputyes, servants,
or agents, in or about the due and lawful use or. exercise of the aforesaid
Invention, or anythin; relating thereto. Provided always, and these our
Letters Patents are and shall be upon this condition, that if at any time
during the said term hereby granted it shall be made appear to us, our heirs
or successors, or any six or more of our or their Privy Council, that this our
grant is contrary to law, or preiudicial or inconvenient to our subjects in
general, or that the said Invention is not a new invention as to the publick
use and exercise thereof in that said part of our kingdom of Great Britain
called England, our dominion of Wales, and town of Berwick-upon-Tweed
aforesaid, or not invented and found out by the said Humphry Perrott as
aforesaid, then, upon signification or declaration thercof, to be made by us,
our heirs or successors, under our or their signet or privy seal, or by the
lords and others of our or their Privy Council, or any six or more of them,
under their hands, these our Letters Patents shall forthwith cease, determine,
and be utterly void to all intents and purposes, anything herein-before com
tained to the contrary thereof in anywise notwithstanding. Provided also,
that these our Letters Patents, or anything herein contained, shall not extend
or be construed to extend to give priviledge unto the said Humphry Perrott,
his executors, administrators, or assigns, or any of them, to use or imitate
any invention or work whatsoever, which hath heretofore been found out or
invented by any other of our subjects whatsoever, and publickly used or
exercised in that said part of our kingdom of Great Britain called England,

page_text: our dominion of Wales, or town of Berwick-upon-Tweed aforesaid, unto
whom like Letters Patents or priviledges have been already granted for the
solo use, exercise, and benefit thereof, it being our will and pleasure that the
said Humphry Perrott, his executors, administrators, and assigns, and all and
every other person and persons to whom like Letters Patents or priviledges
have been already granted as aforesaid, shall distinctly use and practice their
several inventions by them invented and found out, according to the truc
intent and meaning of the same respective Letters Patents and of these
presents. Provided likewise, nevertheless, and these our Letters Patents
are upon this express condition, that if the said Humphry Perrott, his exe-
cutors or administrators, or any person or persons which shall or may, at
any time or times hereafter during the continuance of this grant, havo
or claim any right, title, or interest in law or equity of, in, or to the
power, priviledge, or authority of the sole uso and benefit of the said In-
vention hereby granted, shall make any transferr or assignment, or any
pretended transfer or assignment, of the said liberty and priviledge, or
any share or shares of the benefit or profit thereof, or shall declare any
trust thereof to or for any number of persons exceeding the number of
five, or shall open or cause to be opened any book or books for public sub-
scriptions to be made by any number of persons exceeding the number of
five, in order to the raising any sume or sumes of money under pretence
of carrying on the said liberty or priviledge hereby granted, or shall by
him or themselves, or his or their agents or servants, receive any sume or
sumes of money whatsoever of any number of persons exceeding in the whole
the number of five, for such or the like intents or purposes, or shall presume
to act as a corporate body, or shall divide the benefit of these our Letters
Patents, or the liberty and priviledges hereby by us granted, into any number
of shares exceeding the number of five, or shall committ or do or procure to
be committed or done any act, matter, or thing whatsoever during such time as
such person or persons shall have any right or title, either in law or equity, in or
to the said premisses, which would be contrary to the true intent and meaning of
a certain Act of Parliament made in the sixth year of the reign of our late
royal father King George the First, intitled (An Act for the better securing
certain powers and priviledges intended to be granted by His Majesty
by two charters for assurance of ships and merchandizes at sea, and for
lending money upon bottomry, and for restraining several extravagant and
unwarrantable practices therein mentioned), if these our Letters Patents had
not been granted, or in case the said power, priviledge, or authority shall at
any time hereafter become vested in or in trust for more than the number of

page_text: five persons, or their representatives, at any one time (reckoning executors
or administrators as and for the single person whom they represent as to
such interest as they are or shall be intitled to in right of such their testator
or intestate), that then and in any of the said cases these our Letters
Patents, and all libertyes, and advantages whatsoever hereby granted, shall
utterly cease, determine, and become void, anything herein-before contained to
the contrary thereof in anywise notwithstanding. And, lastly, wee do, by
these presents, for us, our heirs and successors, grant unto the said Humphry
Perrott, his executors, administrators, and assigns, that these our Letters
Patents, or the inrollment or exemplification thereof, shall be in and by all
things good, firm, valid, sufficient, and effectual in the law, according to the
true intent and meaning thereof, and shall be taken, construed, and adjudged
in the most favourable and beneficial sence for the best advantage of the
said Humphry Perrott, his executors, administrators, and assigns, as well in
all our courts of record as elsewhere, and by all and singular the officers and
ministers whatsoever of us, our heirs and successors, within that part of our said
kingdom of Great Britain called England, our dominion of Wales, and town
of Berwick-upon-Tweed aforesaid, and amongst all and every the subjects
of us, our heirs and successors, whatsoever and wheresoever, notwithstanding
the not full and certain describing the nature or quality of the said Invention,
or of the materialls thereto conducing and belonging.
In witness, &c. Witness ourself at Westminster. the Fifteenth day of
February.
By Writt of Privy Scal.