Specification of William Bickford Smith and William Bennetts : preventing the escape of smoke and gases from chimneys and furnaces.

  • Smith, William Bickford.
Date:
1862
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Bickford Smith and William Bennetts : preventing the escape of smoke and gases from chimneys and furnaces. Source: Wellcome Collection.

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    i A.D. 1862, ist May. N° 1288. Preventing tlie Escape of Smoke and Gases from Chimneys and Furnaces, (This Invention received Provisional Protection only.) PROVISIONAL SPECIFICATION left by William Bickford Smith and William Bennetts at the Office of the Commissioners of Patents, with their Petition, on the 1st May 1862. We, William Bickford Smith, of Camborne, in the County of Cornwall, 5 Merchant, and William Bennetts, of Tucking Mill, in the County of Corn¬ wall, Engineer, do hereby declare the nature of the said Invention for « Improvements in the Method of and Apparatus foe Preventing the Injurious Effects occasioned by Smoke, Sulphur, and the Deleterious Gases which Escape feom Stacks, Chimneys, Calcining Houses, Chemical aed other Fur- 10 naces,” to be as follows:— This Invention has for its object improvements in mechanism which prevents the liberation and diffusion of smoke and noxious gases by confining and preserving them so that they may be turned to valuable purposes. In order to effect this object the flue which is conducted from the back of the fire 15 must be carried on to a small case in which is a blast fan, from whence the flue is continued to a chamber, or if need be, to a succession of chambers. When the blast fan is made to revolve rapidly it causes a draft in the flue which can be regulated as desired and which carries onward the smoke and the gases evolved during combustion, and the air which passes in to the fire 20 and discharges them into a chamber or a succession of chambers where they V