The principles of refraction in the human eye : based on the laws of conjugate foci /
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| Format: | Book |
| Language: | English |
| Published: |
Philadelphia :
Keystone,
1904.
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| Subjects: |
| Item Description: | "This elementary treatise ... is an elaboration, with much added matter, of an article written by the author and first published in the American journal of ophthalmology, in 1903."--Pref. |
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| Physical Description: | 67 pages : diagrams ; 23 cm. |
| Bibliography: | Includes bibliographical references. |