Improvements in anaesthetizing apparatus / [Charles Stuart Birt].

  • Birt, Charles Stuart.
Date:
1904
Catalogue details

Licence: Public Domain Mark

Credit: Improvements in anaesthetizing apparatus / [Charles Stuart Birt]. Source: Wellcome Collection.

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    Birt’s Improvements in Anaesthetizing Apparatus. Having now particularly described and ascertained the nature of my said invention, and in what manner the same is to he performed, I declare that what I claim is : —, In anaesthetizing apparatus for use with liquid anaesthetics, the use and construction of a tubular attachment A, having a branch tube B extending o upwards at a slight angle away from the mask, with device at junction for instantly removing the nipple of a glass tube containing the anaesthetic which is received on an absorbent supported on a removeable frame up the Lower end of the attachment, substantially as herein set forth and shown. Dated this Eighth day of July, 1904. 10 CHARLES STUART BIRT, By George Barker, Fellow of the Chartered Institute of Patent Agents, 77 Colmore Row, Birmingham, Agent for Applicant. Redhill: Printed for His Majesty’s Stationery Office, by Love & Malcomson, Ltd.—1904,
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