✦ LIBER ✦

A Device for Group Demonstration of Astigmatism Tests*

✍ Scribed by Crisp, William H.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Teaching Aids for the Demonstration of A

✍ M. ZADE-OPPEN; U. SJÖSTRAND; B. ÅBERG 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 339 KB

A Device for the Remote Control of Astig

✍ Hynes, Edward A. 📂 Article 📅 1951 🏛 Elsevier Science 🌐 English ⚖ 443 KB

A DEVICE FOR DEMONSTRATING TRANSPIRATION

✍ D. C. Barrus 📂 Article 📅 1932 🏛 School Science and Mathematics Association 🌐 English ⚖ 49 KB

A trichromatic test for spheric and asti

✍ S. Shilo 📂 Article 📅 1977 🏛 Springer-Verlag 🌐 English ⚖ 798 KB

A Chart for Testing Visual Acuity and As

✍ Berens, Conrad; Beach, S. Judd 📂 Article 📅 1939 🏛 Elsevier Science 🌐 English ⚖ 287 KB

A simple device for demonstration of wav

✍ V. A. Trofimov; V. V. Semenov; R. T. Romanenko 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 92 KB