CERTAIN PUMPS AND ENGINES FOR RAISING AND EVACUATING WATER OR OTHER FLUIDS, AND FOR PRODUCING POWER, AND IS PECULIARLY ADAPTED FOR THE USE OF SHIPS AND VESSELS
Year: 1798

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GEORGE
DODGSON, of the Parish of Saint Leonard, Shoreditch, in the County of Mid-
dlesex, Cabinet Maker, send greeting.
WHEREAS His present most Excellent Majesty King George the Third
hath, by His Letters Patent under the Great Seal of Great Britain, bearing
date at Westminster, the Twenty-third day of August last, given and granted
_unto me, the said George Dodgson, His especial licence that I, the said George
Dodgson, during the term of years therein mentioned, shall and lawfully may
make, use, exercise, and vend, within that part of His Majesty's Kingdom
called England, the Dominion of Wales, and Town of Berwick-upon-Tweed,
and also in all His Majesty's Colonies and Plantations abroad, "CERTAIN PUMPS
AND ENGINES FOR RAISING AND EVACUATING WATER OR OTHER FLUIDS, AND FOR
PRODUCING POWER, AND IS PECULIARLY ADAPTED FOR THE USE OF SHIPS AND VESSELS;"
in which said Letters Patent there is (amongst other things) contained a
proviso for obliging me, the said George Dodgson, by an instrument in writing
under my hand and seal, to cause a particular description of the nature of my
said Invention, and in what manner the same is to be performed, to be inrolled
in His Majesty's High Court of Chancery within. one calender month next
and immediately after the date of the said recited Letters Patent, as in and by
the same Letters Patent, relation being thereunto had, may more fully and at
large appear.

page_text: NOW KNOW YE, that in compliance with the said proviso, I, the said
George Dodgson, do hereby declare that the nature of my said Invention,
and the manner in which the same is to be performed, is contained in the
Plan and reference thereof hereunto annexed, and in the following description
thereof, (that is to say):
A, P, B, P, and C, P, are pumps contrived upon the same principal, namely,
having each two or more working chambers fixed to one suction pipe, for the
purpose of raising or forcing water or other fluids, and fitted with proper geer
made of wood, metal, or compound of metals, or any materials suitable to such
or any purpose to which the said pumps may be applied, and may be worked
by the power of fluids, wind, gravity, or animal or manual labour, or by its
own production. No. 1 is a slay bucket to be moved in any direction with but
little friction, having a rim at a proper height, supported from the body of the
bucket by a tube or bars, having a bar across to receive the lower end of the
piston rod No. 2, and fixed together with pin No. 3, through the holes, and
fastened with screw nutt No. 4, or, otherwise,; for the joint to move freely.
No. 5, the upper end of the piston rod, with eye loop or fork with eye loops, to
place on cranks or breaks, with pin No. 6, in the lioles, and with key or screw
nutt, No. 7, to make the joint. No. 8, a plug or screw to be placed or screwed
into the bottom of No. 1, to make a force rammer for fire engine, No. 9. The
lower box made proper to fit in the seats which are in the working chambers.
No. 10, a socket with a crooked or straight end made to receive the upper end of the
piston.rod; No. 5. On two sides of the socket No. 10 are the centers E and E; of
the brake C. No:11, arms of break C, to be placed in socket No. 10. Nos. 12, 13
and 14 are plates to fix on the ends of the arms of No. 11 for the eye loops to
receive No. 15, the handle of the brake C. Nos. 16 or 17 is a bar fixed to 'cach
of the respective brakes of lever C, so as to join in the middle at D, by pin or
ötherwise, in order to unite the respective breaks or levers C, C, 'to be worked
'together, or they may be worked separately by removing the pin or fastening
at D. Nos. 18 and 19, two swivel pins with flat heads, with a hole in each to
go into the fork in the end No. 17, as shewn in No. 16, and then fastened by
pin No. 20, to make the joint No. 18 in No. 16 to be fixed in the hole F, in
break C, with screw nutt, No. 21, or otherwise, so that No. 18 will swivel in F.
No. 22, a forked bracket or other conveniences on the heads of pump A, P, for
break C to be slung in by its centers E and E; on No. 22 forked bracket as
fixed or otherwise, as G and G on the heads of pump A, P, which hold the
two brackets or levers C, C, when slung on their respective centers in G, G,
and made fast with pins Nos. 23 and 24, or otherwise; the bar D or Nos. 16

page_text: and 17 being united with the pin and key, the boxes set and buckets hung, the
pump is then complete for working.
In witness whereof, I, the said George Dodgson, have hereunto set my
hand and affixed my seal, this Seventeenth day of September, in the
thirty-eighth 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, and so forth, and in the year of our Lord One
thousand seven hundred and ninety-eight
ealed and delivered by the above-named
George Dodgson (being first duly
stamped, in the presence of
GEO. DODGSON. (L.S.)
W. HENDERSON,
Clerks to Mr. John Wood, Att, Fox
Ordinary Court, Nicholas Lane.
AND BE IT REMEMBERED, that on the same Seventeenth day of Sep-
tember, in the year above mentioned, the aforesaid George Dodgson came
before our Lord the King in His Chancery, and acknowledged the Specification
aforesaid, and all and every thing therein contained, in form above written.
And also the Specification aforesaid was stamped according to the tenor of the
Statute in that case made and provided.
Inrolled the same Seventeenth day of September, in the year above written.