AN IMPROVEMENT ON MACHINERY TO BE WORKED BY WIND
Year: 1813

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM.
ALLIN; of the Curtain-Road, in the Parish of Saint Leonard Shoreditch,.and
County of Middlesex, General Factor, send greeting.
WHEREAS His most Excellent Majesty King George the Third did, by His
Letters Patent under the Great Seal of the United Kingdom of Great Britain
and Ireland, bearing date at Westminster, the Fifteenth day of January,
in the fifty-third year of Our reign, give, and grant unto me, the said William
Allin, my exors, adñiors, and assigns, His especial licence, full power, sole
privilege and authority, that I, the said William Allin,.my exors,.adiñiors, and
assigns, should and lawfully might, during the term of years herein mentioned,
make, use, exercise, and vend, within England,. Wales, and the Town of
Berwick-upon-Tweed; my Invention of "AN IMPROVEMENT ON MACHINERY TO BE
WORKED BY WIND;" in which said Letters Patent there is contained a proviso
that if I, the said William Allin, shall not.particularly describe and ascertain
the nature of my said Invention, and in what manner the same is to be
performed; by an instrument in writing under my band and seal, and cause
the same. to be enrolled in His Majesty's High. Court of Chancery within
six calendar months next and immediately after the date of the said Letters
Patent, that then the said Letters Patent, and all liberties and advantages
whatsoever thereby granted, shall utterly cease, determine, and become void,

page_text: as in and by the same, relation being thereunto had, may more fully and at
large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
William Allin, do hereby declare that the nature of my said Invention, and
the manner in which the same is to be performed, are particularly described
and ascertained in and by the Drawings and references thereto hereunto
annexed.
In witness whereof, I, the said William Allin, have hereunto set my
hand and seal, this Fourteenth day of July, in the year of our Lord
One thousand eight hundred and thirteen..
N. 9 is the
the gudgen,
N. 12 is rope.
Each sail N. 1 consists of two flaps placed at the end of each arm N. 2
in an horizontal direction, playing on two or three [joints each, or more if
necessary; the frames N. 3 are made of wood, iron, or any other fit
materials, and covered with canvass, sail cloth, tin, iron, thin wood, or any
other proper materials. N. 4 are rods with a balancing weight a, to counter-
balance the weight of the flaps. N. 5 is rods, ropes, chains, strops, or
webbing, two or three or more of which come from each wing to the centre
and pass through brass pulleys at N. 6; at N. 6 they are reduced to
half their number; they then pass through N. 7, two, three, or more, if
necessary, brass pulleys, placed along the arm in one single rope or chain,
and continue through N. 8 to the inside of the house or mill.
projecting round part of the upright shaft which works in
N. 10 is a bowsprit. N. 11 are rods to support the arms.
or iron braced from arm to arm. N.B.-The number and size of sails, as
well as the dimensions of this machine will depend on the power required;
the shape of the sails will depend on the fitness of the place intended. B is
another sail for the same use as A; N. 1. is the arm; N. 2. is a rod on a
joint 6, to keep the sails extended, and continues through another joint e to
the inner end of the sail, and then continues as a balancing weight. N. 3 is
a square sail. C is another wing or sail for the same use as A; at the end
of the arm N. 1 is N. 2, the frame in which is three or four doors N 3,
which will shut when they come in the wind, and continue so till they.go half
round; they then open till they get into the wind again. D is another wing
or sail for the same use as A, made on the same principle as B; B, C, & D,
are made of the same materials as A.
.

page_text: AND BE IT REMEMBERED, that on the Fourteenth day of July, in the
year of our Lord 1813, the aforesaid William Allin 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 for that purpose.
Inrolled the Fourteenth day of July, in the year of our Lord One
thousand eight hundred and thirteen.