On long, short, and weak sight : and their treatment, by the scientific use of spectacles / by J. Soelberg Wells.

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On long, short, and weak sight : and their treatment, by the scientific use of spectacles / by J. Soelberg Wells. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.