## May, I953.] CURRENT TOPICS 473 America, according to the Official Gazette of the U. S. Patent Office, of March 3, 1953. In Dr. Goldsmith's invention, which he made more than ten years ago, the viewing face of a kinescope is coated with hundreds of thousands of elements of primary color phosphor
One Man Helicopters
- Publisher
- Elsevier Science
- Year
- 1956
- Tongue
- English
- Weight
- 100 KB
- Volume
- 261
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
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