An Optical Altitude Indicator for Night Landing*
| Autor: | Warner, John A. C. |
|---|---|
| Zdroj: | Journal of the Optical Society of America (1917-1983); March 1923, Vol. 7 Issue: 3 p225-229, 5p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
| Autor: | Warner, John A. C. |
|---|---|
| Zdroj: | Journal of the Optical Society of America (1917-1983); March 1923, Vol. 7 Issue: 3 p225-229, 5p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|