✦ LIBER ✦
A Glareless Illuminated Holder for Visual-Acuity Test Charts with Variable Intensity of Light*
✍ Scribed by Ferree, C.E.; Rand, G.
- Book ID
- 127002199
- Publisher
- Elsevier Science
- Year
- 1939
- Tongue
- English
- Weight
- 958 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0002-9394
No coin nor oath required. For personal study only.