Specification of Andrew Robertson : preventing smoke.

  • Robertson, Andrew.
Date:
1860
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Andrew Robertson : preventing smoke. Source: Wellcome Collection.

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    Preventing Smoke. LETTERS PATENT to Andrew Robertson, of Neilston, in the CoWty of Renfrew, North Britain, Bleacher, for the Invention of “ Improvements in Preventing Smoke.” Sealed the 6th November 1860, and dated the 11th May I860. PROVISIONAL SPECIFICATION left by the said Andrew Robertson at the Office of the Commissioners of Patents/with his Petition, on the 'i 11th May I860. I, Andrew Robertson, of Neilston, in the County of Renfrew, North 5 Briton, Bleacher, do hereby declare the nature of the said Invention of “ Improvements in Preventing Smoke,” to be as follows, that is to say:— This Invention has for object the prevention of smoke in furnaces of various kinds, and consists in sytematically and ? constantly) admitting^ air from the ash-pit through and between the fire-bars at/their front ends/the extent of 10 aperture being regulated by simply arranging [the fuel so as to uncover/the front ends of the fire-bars more or less. Special contrivances may be adopted in connection with this system, and to assist in carrying it out; but without such it is capable of more or less complete application to almost all ordinary furnaces.