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Description: Floor stand for two gas cylinders from apparatus for nitrous oxide anaesthesia, by Barth and Co., London, 1880-1930 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: inhalers Temporal: 1880-1930 Source: Science Museum Creator: Barth and Co. (maker) Identifier: A625469 Go to resource More Like this...
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