Walker, John, 1803?-1847.
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The principles of ophthalmic surgery, being an introduction to a knowledge of the structure, functions, and diseases of the eye; embracing new views of the physiology of the organ of vision / By John Walker.
Walker, John, 1803?-1847.Date: 1834- Books
An essay on the physiology of the iris; with a different view of its relations and sympathies from the one usually received / [John Walker].
Walker, John, 1803?-1847.Date: 1833- Books
The philosophy of the eye; being a familiar exposition of its mechanism, and of the phenomena of vision, with a view to the evidence of design / [John Walker].
Walker, John, 1803?-1847.Date: 1837