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Former Display Label at Nuffield Department of Anaesthetics

The "MINNITT GAS-AIR APPARATUS" 1942

With "CM" attachment. When cylinder valve is opened the 2.5 litre bag will fill with pure nitrous oxide. The first three or four breaths will be pure nitrous oxide, followed by the standard nitrous oxide - air mixture, plus trickle flow of 1 litre per minute nitrous oxide.

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