Fountain's chamber for establishing anaesthesia

Fountain's chamber for establishing anaesthesia by nitrous oxide (laughing gas) under positive atmospheric pressure a: air pump; b: refrigerator through which air was passed; c: sheet iron operating chamber; d: gas bag connected to face piece. From Henry M Lyman Artificial Anaesthesia and Anaesthestics, London, 1883

Anaesthesia Anaesthestics Artificial Connected Establishing Fountains Lyman Nitrous Operating Oxide Passed Positive Pressure Refrigerator

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