## Precise Evaluation of Spectacle Lenses With the aid of an instrument developed by the National Bureau of Standards, it is now possible to measure both central and marginal powers of a spectacle lens with accuracy. This instrument, known as the Spectacle Lens Tester, was designed by Dr. F. E. Wa
Minutes of the stated meeting February 21, 1968
โ Scribed by Peter Geyelin
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 46 KB
- Volume
- 285
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
The Stated Meeting of The Franklin Institute was held at 8:15 P. M. in the Lecture Hall, preceded by a dinner in Franklin HMI. The meeting was called to order with approximately 150 members and guests present.
๐ SIMILAR VOLUMES
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