Specification of Donald Bethune : apparatus for preventing or consuming smoke in furnaces and chimneys.

  • Bethune, Donald.
Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Donald Bethune : apparatus for preventing or consuming smoke in furnaces and chimneys. Source: Wellcome Collection.

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    Provisional ]3ethunes Impts. in Apparatus for Preventing or Consuming Smoke in Furnaces^ ^c. and I admit the air into the flues or furnaces either at the doors or at the back of the bridge, as may be most convenient; or the^ air may, when necessary, be admitted by the said self-acting apparatus back of the bridge, and at the door of the furnace or flue at the same time. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed 5 by the said Donald Bethune in the Great Seal Patent Office on the 8th December 1857. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, Donald Bethune, of Cambridge Terrace, Hyde Park, London, Esquire, send greeting, WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters 10 Patent, bearing date the Eighth day of June, in the year of our Lord One thousand eight hundred and fifty-seven, in the twentieth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said Donald Bethune, Her special licence that I, the said Donald Bethune, my executors, administrators, and assigns, or such others as I, the said Donald 15 Bethune, my executors, administrators, and assigns, should at any time agree with, and no others, from time to time and at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ Improvements in Apparatus for 20 THE Admission of Air into the Flues of Furnaces, Boilers, and Chimnies,” upon the condition (amongst others) that I, the said Donald Bethune, my executors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, 25 and cause the same to be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said Donald Bethune, do hereby declare the nature of my said Invention, and in what manner the same is to be 30 performed, to be particularly described and ascertained in and by the following statement, reference being had to the accompanying Drawings, and to the letters and figures marked thereon (that is to say) :— My said Invention consists in “ Improvements in Apparatus for the Admission of Air into the Flues of Furnaces, Boilers, -and Chimnies,” by 35 which improvements such apparatus is made self-acting, and the smoke is