A sheet showing optical instruments, eye examinations, diagrams to show the effect of lenses and diagrams of the eye with a numbered key. Wood engraving.

Reference:
16562i

Licence: Public Domain Mark

Credit: A sheet showing optical instruments, eye examinations, diagrams to show the effect of lenses and diagrams of the eye with a numbered key. Wood engraving. Wellcome Collection. Source: Wellcome Collection.

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