Specification of Richard Archibald Brooman : inhaling tubes.

  • Brooman, Richard Archibald.
Date:
1853
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Richard Archibald Brooman : inhaling tubes. Source: Wellcome Collection.

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    •\.r\.r- s\ r\ r\ /-\ /xj'V'V/Nyi • • ....... 'VWV'V' A.D. 1853 ..N° 955. ft LETTERS PATENT to Richard x4.rchibald Brooman, of the firm of Robertson, Brooman, and Co., of 166, Fleet Street, in the City of London, Patent Agents, for the Invention of “ Improvements in Inhaling Tubes.”—A communication. Sealed the 6th October 1853, and dated the 20tli April 1853. PROVISIONAL SPECIFICATION left by the said Richard Archibald Brooman at the Office of the Commissioners of Patents, with his Petition, on the 20th April 1853. I, Richard Archibald Brooman, of the firm of Robertson, Brooman, 5 & Company, of 166, Fleet Street, in the City of London, Patent Agents, do hereby declare the nature of the said Invention for 44 Im¬ provements in Inhaling Tubes ” to be as follows :— This Invention is an improvement in the construction of inhaling tubes for expanding the chest and exercising the lungs by means of 10 re-] iration. The theory on which the operation of these instruments is j; ased is well known. It has been found to increase the beneficial effect to exhale the breath under more pressure than is exerted in the act of inhaling it; and to effect this is the object of this improvement.