Specification of Charles Felton Kirkman : treating sewage.

  • Kirkman, Charles Felton.
Date:
1871
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Charles Felton Kirkman : treating sewage. Source: Wellcome Collection.

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    Treating Sewage. LETTERS PATENT to Charles Felton Kirkman, of High Street, Islington, in the County of Middlesex, Gentleman, for the Invention of <e Im¬ provements in Treating Sewage, and in the Apparatus and Means EMPLOYED THEREIN.’ ’ Sealed the 31st December 1870, and dated the 6th October 1870. PROVISIONAL SPECIFICATION left by the said Charles Felton Kirkman at the Office of the Commissioners of Patents, with his Petition, on the 6th October 1870. I, Charles Felton Kirkman, of High Street, Islington, in the 5 County of Middlesex, Gentleman, do hereby declare the nature of the said Invention for “ Improvements in Treating Sewage, and in the Apparatus and Means employed therein,” to be as follows:— This Invention has for its object to separate from the useful fertilising properties contained in sewage those matters such as sand, gravel, which 10 are useless as manure. The substances thus removed from the sewage are divided into several catagories and are disposed of for other purposes.