Replica of Clayfield's mercurial holder, Leeds, England, 196

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Replica of Clayfield's mercurial holder, Leeds, England, 196. This copy of an experimental apparatus was made by the University of Leeds in 1968 for a film in which they repeated Sir Humphry Davy’s (1778–1829) experiments with nitrous oxide. Anaesthetic. Mercurial air holder. Contributors: Science Museum, London. Work ID: pwkvd8jc.

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