Miners' nystagmus : its causes and prevention / by T. Lister Llewellyn ; with a preface by J. S. Haldane and a legal appendix by Douglas Knocker.

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Credit: Miners' nystagmus : its causes and prevention / by T. Lister Llewellyn ; with a preface by J. S. Haldane and a legal appendix by Douglas Knocker. Source: Wellcome Collection.

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