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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    Barth's Improved Inhaling Apparatus for Medicinal Bur poses. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date tbe Seventeenth clay of September, in the year of our Lord One thousand eight hundred and sixty-eight, in the thirty-first year of Her reign, did, for Herself, Her heirs and 5 successors, give and grant unto me, the said George Harman Barth, Her special licence that I, the said George Harman Barth, my executors, administrators, and assigns, or such others as I, the said George Harman Barth, or my executors, administrators, and assigns, should at any time agree with, and no others, from time to time and 10 at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United King¬ dom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ Improvements in Apparatus for Administering and Supplying and Purifying Gases or Vapours for Medicinal and other 15 Purposes,” upon the condition (amongst others) that I, the said George Harman Barth, my executors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, and cause the 20 same to be filed in the Great Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that I, the said George Harman Barth, do hereby declare the nature of my said Invention, and in what manner the same is to be performed, to be particularly described and 25 ascertained in and by the following statement:— This my present Invention has relation to, but consists of entirely distinct and novel improvements upon, my Invention for “ Improve¬ ments in the Mode of Supplying and Administering Gases for the Alleviation and Cure of Certain Diseases,” for which Her most 30 Excellent Majesty Queen Victoria granted me Letters Patent, dated’ the 17th day of March 1854, No. 641. This my present Invention is for a gasholder by means of which gas or vapour, or a mixture of gas and vapour, or gas, vapour, and air, can be conveniently administered when required for medicinal or surgical 35 purposes, and which will purify and economise the gas administered if it be desired to effect this object. The gasholder I prefer to make of zinc or other metal; it is of the ordinary construction, is inverted over water in a suitable vessel, which y