MAKING PIG OR CAST IRON MALLEABLE IN A REVERBATORY OR AIR FUR- NACE, WITH RAW PIT COAL ONLY, WITHOUT THE APPLICATION OF ANY OTHER MIXTURE OR INGREDIENT, BY A METHOD INTIRELY NEW
Year: 1766

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, we, THOMAS
CRANAGE, of Bridgnorth, in the County of Salop, Forgeman, and GEORGE
CRANAGE, of Colebrooke Dale, in the County aforesaid, Founder, send
greeting.
WHEREAS we, the said Thomas Cranage and George Cranage, did, by
Petition to His present Majesty, humbly shew that we had, by great study,
application, and expences in trying experiments, found out and discovered the
art of "MAKING PIG OR CAST IRON MALLEABLE IN A REVERBATORY OR AIR FUR-
NACE, WITH RAW PIT COAL ONLY, WITHOUT THE APPLICATION OF ANY OTHER MIXTURE
OR INGREDIENT, BY A METHOD INTIRELY NEW," and did therefore pray His said
Majesty to grant unto us, our exors, adññors, and assigns, His Royal Letters
Patent for the sole use and benefit of our said Invention, within that part of
Great Britain called England, Dominion of Wales, and Town of Berwick-
upon-Tweed, and also within His Majesty's Colonies and Plantations in
America, for the term of fourteen years; and whereas His most Excellent
Majesty King George the Third, by His Royal Letters Patent under the
Great Seal of Great Britain, bearing date on or about the Seventeenth day
of June, in the sixth year of His said Majesty's reign, did give and grant
unto us, the said Thomas Cranage and George Cranage, His especial licence,
full power,
sole priviledge and authority, that we, the said Thomas Cranage.

page_text: and George Cranage, our exors, adiñiors, and assigns, should and lawfully
might make, use, exercise, and vend our said Invention, within that part of
Great Britain called England, Dominion of Wales, and Town of Berwick-
upon-Tweed, and also within His Majesty's Colonies and Plantations in
America, for the term of fourteen years.
NOW KNOW YE, that we, the said Thomas Cranage and George Cranage,
in compliance with and performance of a proviso or condition contained in
the said Letters Patent, do hereby describe and ascertain the nature of our
said Invention for Making Pig or Cast Iron Malleable in a Reverbatory or
Air Furnace with Raw Pit Coal only, without the Application of any other
Mixture or Ingredient, by a Method intirely New, which is done by the
following process (that is to say) :-
The pig or cast iron is put into a reverbatory or air furnace, built of a
proper construction, and, without the addition of anything more than common
raw pit coal, is converted into good malleable iron, and, being taken red hot
from the reverbatory furnace to the forge hammer, is drawn into bars of
various shapes and sizes, according to the will of the workman.
And we, the said Thomas Cranage and George Cranage, do hereby aver
and declare, that the above is a full, true, and perfect description of our said
Invention, which, we are fully perswaded, will be of great benefit to the
publick.
In witness whereof, we, the said Thomas Cranage and George Cranage,
have hereunto set our hands and seals, the Eighteenth day of August,
in the sixth year of the reign of our Sovereign Lord George the Third,
by the grace of God of Great Britain, France, and Ireland King,
Defender of the Faith, &c., and in the year of our Lord One thousand
seven hundred and sixty-six.
Sealed and delivered (being first duly
stamped) in the presence of
THOMAS CRANAGE. (L.B.)
GEORGE CRANAGE. (L.S.)
RICHARD REYNOLDS Jun',
Of Coalbrook Dale,

page_text: AND BE IT REMEMBERED, that on the Eighteenth day of August, in
the year of our Lord One thousand seven hundred and sixty-six, the aforesaid
George Cranage 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 stamped 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,
Inrolled the Twenty-second day of August, in the year of our Lord
One thousand seven hundred and sixty-six.