Specification of James Bending : apparatus for producing medicinal vapours.

  • Bending, James.
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Bending : apparatus for producing medicinal vapours. Source: Wellcome Collection.

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    Provisional Bending’s Impts. in Appcu^ Productng Medicinal Vapours. chemical ingredients or other body which can be acted upon by the steam or vapour generated in the main vessel fiom heat derived from a gas or other flame. The upper part of the vessel has an outlet tube for the impregnated steam or vapour; it is provided with a perforated disc or wire gauze and a flap valve bearing upon a seating on the inner end of o an air pipe or tube, through which atmospheric air is free to enter to mingle with the vapour when it is being drawn into the mouth through the main tube. The air tube and also the main tube are provided with taps to shut off communication with the vessel as desired. I propose to place a safety valve or a steam whistle upon the dome 10 or cover of the main vessel to indicate the inward pressure. The filling of the vessel is governed by a properly closed tap or nozzle. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said James Bending in the Great Seal Patent Office on the 30th October 1872. 15 TO ALL TO WHOM THESE PRESENTS SHALL COME, I, James Bending, of 439, Oxford Street, in the County of Middlesex, send greeting. «r WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent, bearing date the Thirtieth day of April, in the year 20 of our Lord One thousand eight hundred and seventy-two, in the thirty-fifth year of Her reign, did, for Herself, Her heirs and suc¬ cessors, give and grant unto me, the said James Bending, Her special licence that I, the said James Bending, my executors, administrators, and assigns, or such others as I, the said James Bending, my executors, 25 administrators, and assigns, should at any time agree with, and no others, from time to time and at all times thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for “ Improvements 30 in Apparatus for Producing Vapours for Medicinal Purposes,’ upon the condition (amongst others) that I, the said James Bending, my exe¬ cutors or administrators, by an instrument in writing under my, or their, or one of their hands and seals, should particularly describe and ascertain