Specification of George Davies : respiratory apparatus.

  • Davies, George.
Date:
1864
Catalogue details

Licence: Public Domain Mark

Credit: Specification of George Davies : respiratory apparatus. Source: Wellcome Collection.

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    A.D. 1864, 18tk April. N° 974. Respiratory Apparatus. < LETTERS PATENT to George Davies, of No. 1, Serle Street, Lincolns Inn, in the County of Middlesex, and No, 28, Saint Enoch Square, in the City of Glasgow, Civil Engineer and Patent Agent, for the Invention of “ An Improved Respiratory Apparatus.”-—A communication from abroad by Albert Galibert, of Paris. Sealed the 13th October 1864, and dated the 18th April 1864. PROVISIONAL SPECIFICATION left by the said George Davies at the Office of the Commissioners of Patents, with his Petition, on the 18th April 1864. I, George Davies, of No. 1, Serle Street, Lincolns Inn, in the County of 5 Middlesex, and No. 28, Saint Enoch Square, in the City of Glasgow, Civil Engineer and Patent Agent, do hereby declare the nature of the said Invention for “ An Improved Respiratory Apparatus,” (a communication to me from abroad by Albert Galibert, of Paris,) to be as follows:— A respiratory apparatus which would allow of a prolonged stay in liquids 10 or in deleterious gases has long been sought, and different ingenious systems have been devised, but they are for the most part complicated and expensive, and only act mechanically by the aid of auxiliaries, and in no case allow of a direct communication between the atmospheric air and the lungs of the operator. 15 In order to remedy these various defects, the Inventor has devised an apparatus which is of extreme simplicity, very moderate expense, without any mechanism, and capable of being used by any one without any assistance. The apparatus is composed, firstly, of a small piece of wood or ivory having