Specification of John Gray : apparatus for consuming smoke.

  • Gray, John.
Date:
1854
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Gray : apparatus for consuming smoke. Source: Wellcome Collection.

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    flues, hollow bricks, or other passages. By this arrangement I find that the whole or the greater part of the smoke is consumed. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said John Gray, in the Great Seal Patent Office, on the 31st January 1854. 5 TO ALL TO WHOM THESE PRESENTS SHALL COME, I, John Gray, late of Rotherhithe, in the County of Surrey, but now of Peckham, in the same County, Engineer, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the First day of August, in the year of 10 our Lord One thousand eight hundred and fifty-three, in the seven¬ teenth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said John Gray, Her special licence that I, the said John Gray, my executors, administrators, and assigns, or such others as I, the said John Gray, my executors, 15 administrators, and assigns, should at any time agree with, and no others, from time to time and at all times thereafter during1 the term therein expressed, should and lawfully might make, use, ex¬ ercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ Im- 20 proved Apparatus por Consuming Smoke,” upon the condition (amongst others) that I, the said John Gray, by an instrument in writing under my hand and seal, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was * to be performed, and cause the same to be filed in the Great Seal 25 Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said John Gray, do hereby declare the nature of the said Invention, and in what manner the same is to be performed, to be particularly described and ascertained in and 3? by the following statement thereof, reference being had to the accom¬ panying Drawing, and to the figures and letters marked thereon, that is to say: Jhe Invention consists in constructing the bridges or back parts of