Specification of David Jones : consuming or preventing smoke.

  • David Jones
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Specification of David Jones : consuming or preventing smoke. Source: Wellcome Collection.

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    Provisional Specification. Jones9 Improvements in Means for Consuming or Preventing Smoke. disposing, or making in tlie flue or passage partitions or bridges across the same. The means whereby I intend to carry the said Invention into effect, consist in the use of partitions or bridges which may, if for steam boilers, be constructed as a water space, or may be of fire-brick or any 5 other suitable substance or material; and air may be admitted in the combustion chamber in different ways. One way of admitting air to the combustion chamber is through the ash-pit and regulating damper, entering the combustion chamber at an orifice which extends across the flue or passage, allowing the air to 10 become mixed with the unconsumed gases in the combustion chamber, thus preventing the emission of smoke. \ * i The size of the combustion chamber should be proportioned to that of the furnace, and the use of a regulating damper may be dispensed with in some cases. 15 SPECIFICATION ill pursuance of the conditions of the Letters Patent, filed by the said David Jones in the Great Seal Patent Office on the 30tli September 1874. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, David Jones, of Millburn, Inverness, in the County of Inverness, Mechanical 20 Engineer, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Thirty-first day of March, in the year of our Lord One thousand eight hundred and seventy-four, in the thirty- seventh year of Her reign, did, for Herself, Her heirs and successors, 25 give and grant unto the said David Jones, Her special licence that I, the said David Jones, my executors, administrators, and assigns, or such others as I, the said David Jones, my executors, administrators, or assigns, should at any time agree with, and no others, from time to time and at all times thereafter diuing the term therein expressed, 3q 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 Means for Con¬ suming or Preventing Smore,” upon the condition (amongst others) that
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