To all who value their sight : a few practical suggestions and illustrations, intended briefly to awaken the attention of every individual to the condition of his sight; and to enable him to promote the improvement and preservation of that invaluable faculty / by R. B. Bate, Optician.

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To all who value their sight : a few practical suggestions and illustrations, intended briefly to awaken the attention of every individual to the condition of his sight; and to enable him to promote the improvement and preservation of that invaluable faculty / by R. B. Bate, Optician. Public Domain Mark. Source: Wellcome Collection.

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