A NEW METHOD OF MAKING AND CONSTRUCTING FURNACES FOR MAKING GLASS WITHOUT THE USE OF POTTS, WHEREBY THE LIVES OF MANY OF HIS MAJESTY'S SUBJECTS WERE OFTEN MUCH ENDANGERED UPON THE BURSTING OF SUCH POTTS MIGHT BE PREVENTED, AND A GREAT SAVING MADE BY THE MANUFAC- TURERS OF SUCH GLASS IN MAKING THE SAME
Year: 1769

page_text: R. & R. RUSSELL'S SPECIFICATION.
TO ALL TO WHOM THESE PRESENTS SHALL COME, wee, RICHARD
RUSSELL the elder and RICHARD RUSSELL the younger, both of White
Chappel, in the County of Middlesex, Glass Manufacturers, send greeting.
WHEREAS His most Excellent Majesty King George the Third, by His
Royal Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Ninth day of June, in the ninth year of His reign, reciting
that Richard Russell the elder and Richard Russell the younger had, by
their Petition, represented that they had, by great application and study,
brought to perfection "A NEW METHOD OF MAKING AND CONSTRUCTING FURNACES
FOR MAKING GLASS WITHOUT THE USE OF POTTS, WHEREBY THE LIVES OF MANY OF
HIS MAJESTY'S SUBJECTS WERE OFTEN MUCH ENDANGERED UPON THE BURSTING OF
SUCH POTTS MIGHT BE PREVENTED, AND A GREAT SAVING MADE BY THE MANUFAC-
TURERS OF SUCH GLASS IN MAKING THE SAME," His said Majesty did, therefore, of
His special grace and mere motion, give and grant unto us, the said Richard
Russell the elder and Richard Russell the younger, our executors, adññiors, and
assigns, full power, sole priviledge and authority, that wee, the said Richard
Russell the elder and Richard Russell the younger, our executors, adiñors, and
assigns, and every of them, by themselves, or by our deputy or deputys, servants
or agents, or such others as wee, the said Richard Russell the elder and
Richard Russell the younger, our executors, admors, or assigns, not exceeding
the number of five, as therein is mentioned, shall at any time agree with, and
no others, from time to time and at all times thenafter, during the term of
years therein expressed, should and lawfully might make, use, exercise, and

page_text: vend their said Invention within that part of the Kingdom of Great Britain
called England, the Dominion of Wales, and Town of Berwick-upon-Tweed,
to hold the same for the term of fourteen years from the date of the said
Letters Patent; in which said Letters Patent is contained a provisoe that if
wee, the said Richard Russell the elder and Richard Russell the younger, or
one of us, should not particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, by an
instrument in writing under our hands and seals, or under the hand and seal of
one of us, and cause the same to be inrolled in His Majesty's High Court of
Chancery within four calendar months next and immediately after the date of
the said recited Letters Patent, that then the said Letters Patent were to be
void, as in and by the said Letters Patent, relation being thereunto had, may
more fully and at large appear.
--
NOW KNOW YE, that in compliance with the said provisoe, wee, the said
Richard Russell the elder and Richard Russell the younger, do hereby
declare that our Method of Making and Constructing Furnaces for Making
Glass without the Use of Potts is to be performed in the manner following
(that is to say)
The furnace is composed of one or more cistern or cisterns, of such dimen-
sions as the manufacturer shall think proper, without any shelves or ledges
within to deposit potts, as is practised in the present method of erecting glass
furnaces. The materials of which the glass is made are deposited in such
cistern or cisterns. The fire thereof is made even with the surface of the
metal, and not at the bottom, as is the common method. And in all other
respects the said new Invention resembles the glass furnaces usually erected,
reference being had to the Plan hereunto annexed, will more fully and at large
appear.
In witness whereof, wee, the said Richard Russell the elder and Richard
Russell the younger, have hereunto sett our hands and seals, this
Seventh day of October, in the year of our Lord One thousand seven
hundred and mischi

page_text: AND BE IT REMEMBRED, that on the same Seventh day of October,
in the year above written, the aforesaid Richard Russell the elder and Richard
Russell the younger came before our said Lord the King in His Chancery,
and acknowledged the Specification aforesaid, and all and every thing therein
contained, and Plan annexed referred to, 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 aforesaid Seventh day of October in the voor above written