Snow's inhaler which was used for both chloroform and ether. From Henry M Lyman Artificial Anaesthesia and Anaesthestics, London, 1883.
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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
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Keywords: 1883, anaesthesia, anaesthestics, artificial, chloroform, ether, ether., henry, inhaler, london, lyman, medicine, snows