Refraction and how to refract; including sections on optics, retinoscopy, the fitting of spectacles and eye-glasses, etc
שמור ב:
| OCLC: | 7823919 |
|---|---|
| מחבר ראשי: | |
| שפה: | English |
| יצא לאור: |
Philadelphia,
P. Blakiston's son & co.,
1900.
|
| מהדורה: | 2d ed. |
| נושאים: | |
| פורמט: | Monograph Note that CRL will digitize material from the collection when copyright allows. |