Refraction of the human eye and methods of estimating the refraction, including a section on the fitting of spectacles and eye-glasses, etc
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| OCLC: | 3123471 |
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| 主要作者: | |
| 語言: | English |
| 出版: |
Philadelphia,
P. Blakiston's Son & Co.
[c1916]
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| 主題: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |