CERTAIN IMPROVEMENTS IN THE CONSTRUCTION OF STEAM-ENGINE AND OTHER BOILERS OR GENERATORS, APPLICABLE TO PROPELLING VESSELS, LOCOMOTIVE CARRIAGES; AND OTHER PURPOSES
Year: 1830

page_text: SUMMERS AND OGLE'S SPECIFICATION.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, WILLIAM
ALLTOFT SUMMERS, of Saint George's Place, Saint George's in the East, in the
County of Middlesex, Engineer, and NATHANIEL OGLE, of Milbrook, in the
County of Hants, Esquire, send greeting.
WHEREAS His present most Excellent Majesty King George the Fourth
did, by His Letters Patent under the Great Seal of Great Britain, bearing date
at Westminster, the Fourteenth day of April, in the eleventh year of His reign,
give and grant unto us, the said William Alltoft Summers and Nathaniel
Ogle, His especial licence that we, the said William Alltoft Summers and
Nathaniel Ogle, our exors, adñiors, and assigns, and such others as we, the said
Williani Alltoft Summers and Nathaniel Ogle, our exors, adñiors, or assigns,
should at any time agree with, and no others, from time to time and at all times
during the term of years therein mentioned, should and lawfully might make, use,
exercise, and vend, within England, Wales, and the Town of Berwick upon
Tweed, and also in all His said Majesty's Colonies and Plantations abroad, our
Invention of "CERTAIN IMPROVEMENTS IN THE CONSTRUCTION OF STEAM-ENGINE AND
OTHER BOILERS OR GENERATORS, APPLICABLE TO PROPELLING VESSELS, LOCOMOTIVE
CARRIAGES; AND OTHER PURPOSES;" in which said Letters Patent is contained a
proviso that we, the said William Alltoft Suminers and Nathaniel Ogle, or one
of us, shall cause a particular description of the nature of our said Invention,
and in what manner the same is to bo-performed; to be inrolled in His said

page_text: Majesty's High Court of Chancery within six calendar months next and imme
diately after the date of the said in part recited Letters Patent, as in and by the
same, reference being thereunto had, will more fully and at large appear.
NOW KNOW YE, that in compliance with the said proviso, we, the said
William Alltoft Summers and Nathaniel Ogle, do hereby declare that our said
Invention is fully described and ascertained in and by the Drawing annexed,
and to the Figures and letters marked thereon (that is to say):-
Our said Invention consists in placing any number of tubes or vessels, of any con-
venient dimensions or form, and made of wrought iron or copper or of any other
proper material, exposed to the heat of a furnace or furnaces in an upright or
perpendicular or vertical position, each of the said tubes or vessels having an inner
flue or tube of any convenient dimensions or form (for the escape of heated air
or gas arising from the fire) running through the inside of it and out at the top,
and which said inner fluc or tube is also placed in an upright or perpendicular
or vertical position; by this arrangement, as represented in the annexed Draw-
ing, it will be seen that the whole, both of the inside surface or surfaces of each
of the inner flues or tubes, and the outside surface or surfaces of each of the
larger tubes or vessels, may be exposed to the action of the heated air or gas
arising from the fire, thereby causing the water which is contained between the
outside surface or surfaces of each of the inner flues or tubes, and the inside
surface or surfaces of each of the larger tubes or vessels, to be exposed to a
very large surface of heated metal, and procuring a very rapid generation of
steam, which may be applied for propelling vessels, locomotive carriages, and
for other purposes. But in order that the nature of our said Invention may be
clearly understood, we have hereunto annexed a Sheet of Drawings or Plans,
which will illustrate one means of carrying our Invention into effect. The same
characters or letters of reference denote the same parts in all the Figures. Fig. 1
is a front view of a boiler or generator constructed according to the principle
of our. Invention. Fig. 2 is an end view. Fig. 3 is a ground plan or view of
the top; Fig. 4, a section of the top; and Fig. 5 is an upright or perpen-
dicular or vertical section of the same. a, a, a, are, tubes or vessels placed
over the furnace Bin an upright or perpendicular or vertical position. c, c, are
tubes or pipes for connecting the tubes or vessels a, a, a, together. d, d, d, are
the inner flues or tubes which run through the inside of the tubes or vessels
a, a, a, and out at the top, and which flues or tubes are also placed in an upright
or perpendicular or vertical position, and are for the escape of the heated air
or gas arising from the fire, which may be made on the furnace bars e, or in any
other way that may be found convenient. f,f,f, are flues or spaces which also
serve for the escape of the heated air or gas arising from the fire. 9, g, are the

page_text: sides of the furnace; the front is supposed to be taken away, in order to shew
the boiler or generator. h is the chimney. i, i, i, are bolts for screwing the tubes or
pipes c, c, together. k is the feed pipe for supplying the boiler or generator with
water. is the steam pipe to convey the steam to the engine. m, m, m, are tubes
or pipes to connect the tubes or pipes c, c, together. n is the ash pit. The water
which is contained between the tubes or vessels a, a, a, may be pumped. into
the boiler or generator to any height at which it may be found most convenient,
and a safety valve may be attached in the usual way. We wish it to be under-
stood that we do not limit our claim of Invention to the precise forms exhibited
in the Figures of the parts of which our boiler or generator is constructed, as
the tubes or vessels may be elliptical or of any other convenient form which would
answer the purpose; but we claim as our Invention, the placing an inner flue or
tube for the escape of the heated air or gas arising from the fire inside a larger
tube or vessel in an upright or perpendicular or vertical position, the said
inner flue or tube running through inside of the larger tube or vessel and out
at the top, the larger tube or vessel being also placed in an upright or perpen-
dicular or vertical position.
In witness whereof, we, the said William Alltoft Summers and Nathaniel
Ogle, have hereunto set our hands and seals, this Sixteenth day of June,
in the year of our Lord One thousand eight hundred and thirty.