# Specification of William Alltoft Summers and Nathaniel Ogle : steam-engine and other boilers

SPECIFICATION
OF
WILLIAM ALLTOFT SUMMERS
AND
NATHANIEL OGLE.
STEAM-ENGINE AND OTHER BOILERS.
LONDON:
PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEEN'S MOST EXCELLENT MAJESTY ESTABLISHED AT THE QUEEN'S PRINTING OFFICE, EAST HARDING STREET, REAR PLEAT STREET. 1854.
Price 9d.
​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, admors, and assigns, and such others as we, the said William Alltoft Summers and Nathaniel Ogle, our exors, admors, 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, Locomotives, Carriages and other Purposes;" in which said Letters Patent is contained a proviso that we, the said William Alltoft Summers 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 be performed, to be inrolled in His said ​Majesty's High Court of Chancery within six calendar months next and immediately 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):—
​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. l 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 understood 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 perpendicular or vertical position.
W. A. SUMMERS. (L.S). NATH$^L$ OGLE (L.S).
AND BE IT REMEMBERED, that on the Sixteenth day of June, in the year of our Lord 1830, the aforesaid William Alltoft Summers and Nathaniel Ogle came before our said Lord the King in His Chancery, and acknowledged the Specification aforesaid, and all and everything therein contained and specified, in form above written. And also the Specification aforesaid was stamped according to the tenor of the Statute made for that purpose.
This work was published before January 1, 1929, and is in the public domain worldwide because the author died at least 100 years ago.
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