Specification of George Harman Barth : inhaling apparatus.

  • Barth, George Harman.
Date:
1869
Catalogue details

Licence: Public Domain Mark

Credit: Specification of George Harman Barth : inhaling apparatus. Source: Wellcome Collection.

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    Inhaling Apparatus. LETTERS PATENT to George Harman Barth, Chymist, of The Lodge, No. Ill, Westbourne Grove, Bayswater, in the County of Middlesex, for the Invention of “ Improvements in Apparatus for Administering and Supplying and Purifying Gases or Vapours for Medicinal and other Purposes.” Sealed the 12th March 1869, and dated the 17th September 1868. PROVISIONAL SPECIFICATION left by the said George Harman Barth at the Office of the Commissioners of Patents, with his Petition, on the 17th September 1868. I, George Harman Barth, Chymist, of The Lodge, No. Ill, West- 5 bourne Grove, Bayswater, in the County of Middlesex, do hereby declare the nature of the said Invention for “Improvements in Apparatus for Administering and Supplying and Purifying Gases or Vapours for Medicinal and other Purposes,” to be as follows :— My Invention relates to improvements upon my former Invention and 10 apparatus for which Letters Patent were granted to me dated the 17th day of March 1851, No. 641.