Manual of instructions for the guidance of army surgeons in testing the range and quality of vision of recruits, and in distinguishing the causes of defective vision in soldiers, by Surgeon-General Thomas Longmore

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Manual of instructions for the guidance of army surgeons in testing the range and quality of vision of recruits, and in distinguishing the causes of defective vision in soldiers, by Surgeon-General Thomas Longmore. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.