Specification of John Wright : furnaces for steam boilers.

  • Wright, John
Date:
1854
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Wright : furnaces for steam boilers. Source: Wellcome Collection.

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    A.D. 1756 .N° 709. Furnaces for Steam Boilers. WRIGHT’S SPECIFICATION. TO AIL TO WHOMTHESE PRESENTS SHALL COME, John Wright, of Lower Redbrooke, in the County of Gloucester, Refiner, sends greeting. WHEREAS His present Majesty King George the Second, by Letters 5 Patent, under the Great Seal of Great Britain-, bearing date the Twenty- seventh day of May last past, reciting that he, the said John Wright, had by his petition to His Majesty represented that he had by long application and many years experience in directing the building and working of great number of furnaces of different structures found out and fought to perfection “A New 10 Method or Raising Steam for Working Fire Engines,” whereby many collieries, as well as tin. copper, and lead mines, that have been worked to so great a depth as to be at present of little or no value to the proprietors, by reason of the great expense of coal in draining them by fire engines in the method they are now worked, might, by means of such Invention, be worked with very considerable 15 advantage to the publick in general and the proprietors in particular by the much less quantity of coal rendered necessary for working such fire engines, and that the said Invention would be also of great advantage in working fire engines for raising water in the neighbourhood of London and elsewhere foi publick use, and tend to singular benefit in many mechanical opperations, and 20 praying His Majesty’s Letters Patent for the sole use thereof, His Majesty did thereby give and grant unto the said John Wright, his executors, administra¬ tors and assigns, his especial licence, full power, sole priviledge and authoiity, make, use, exercise, and vend his said Invention within England, Wales, Barwick upon Tweed, and all His Majesties Plantations in America, to have,
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