MACHINE OR MOVEMENT PRODUCING AN ALTERNATE, PROGRESSIVE, AND RETROGADE MOTION BY A CONTINUAL ROTATION
Year: 1785

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, JAMES
FROST, of the City of Norwich, Architect, sends greeting.
WHEREAS His present most Excellent Majesty, by His Letters Patent
under the Great Seal of Great Britain, bearing date at Westminster, the
Ninth day of May, in the twenty-fifth year of His reign, gave and granted
unto the said James Frost, his exors, adññiors, and assigns, His especial
licence, full power, sole privilege and authority, that he, the said James Frost,
his exors, admors, and assigns, by himself or themselves, or his or their deputy
or deputies, servants or agents, or such other person or persons as he, the said
James Frost, should at any time agree with, and no other, from time to time
and at all times thereafter during the term of years therein and herein-after
expressed, should and lawfully might make, use, exercise, and vend his new-
invented "MACHINE OR MOVEMENT PRODUCING AN ALTERNATE, PROGRESSIVE, AND
RETROGADE MOTION BY A CONTINUAL ROTATION," within that part of Great Britain
called England, the Dominion of Wales, and Town of Berwick-upon-Tweed,
in such manner as to him, the said James Frost, his exors, admors, and

page_text: assigns, or any of them, should in their discretion seem meet; and that he, the
said James Frost, his exors, adñiors, and assigns, should and lawfully might
have and enjoy the whole profit, benefit, commodity, and advantage from time
to time coming, accruing, or arising by, reason of the said new Invention, for
and during the term of years therein and herein-after mentioned, to have and
to hold, exercise, and enjoy the said licence, powers, privileges, and advantages
herein-before mentioned to be granted unto the said James Frost, his exors,
adiñors, and assigns, of the sole use, exercise, and vending of his said new-
invented Machine or Movement producing an Alternate, Progressive, and
Retrograde Motion by a continual Rotation, 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 that case made and provided, His Majesty in such Letters Patent
thereby strictly commanding all and every person or persons, bodies politic and
corporate, and all other His Majesty's subjects whatsoever, of what estate,
quality, degree, name. or condition soever, they being within that part of
His Majesty's said Kingdom of Great Britain called England, the Dominion
of Wales, and Town of Berwick-upon-Tweed, that neither they nor any of
them at any time during the continuance of the said term of fourteen years
thereby granted, either directly or indirectly, do make, use, or put in practice
the said Invention, or any part of the same so attained, unto the said James
Frost, his exors, admors, and assigns as aforesaid, nor in anywise counterfeit,
imitate, or resemble the same, nor make or cause to be made any addition
thereto or subtraction from the same, whereby to pretend himself or them-
selves the Inventor or Inventors, Devisor or Devisors thereof, without the
licence, consent, or agreement of the said James Frost, his exors, adñiors, or
assigns, in writing under his or their hands and seals first had and obtained
in that behalf, upon such pains or penalties as can or may be justly inflicted
on such offender or offenders for their contempt of His Majesty's said Royal
Command, and further to be answerable to the said James Frost, his exors,
adiñors, and assigns, according to law, for his or their damages occasioned
thereby; in which, said Letters Patent is contained a provisoe that if the said
James Frost, his exors, adiñiors, or assigns, or any other person or persons
which shall or may at any time hereafter. during the continuance of the said
grant have or claim any right, title, or interest at law or in equity of, in, or
to the power, privilege, and authority of the sole use and benefit of the said
Invention, should make any transfer or assignment, or any pretended transfer.
or assignment, of the said liberty or privilege, or any share or shares of the

page_text: constant revolution of the wheel. Figure 3 and 4, friction wheels against which
the beam moves; K, a spur wheel.
Figures 2 & 3 are perspective views of the ecliptic wheel or movement.
In witness whereof, I, the said James Frost, have hereunto set my
hand and seal, the Twenty-first day of May, in the twenty-fifth 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 eighty-five.
IYE, Extra.
AND BE IT REMEMBERED, that on the Twenty-first day of May, in the
year of our Lord 1785, the aforesaid James Frost 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 Statutes
made for that purpose.
Inrolled the Twenty-fourth day of May, in the year of our Lord One
thousand seven hundred and eighty-five.