✦ LIBER ✦
An approximate method of estimating the flight path which gives the least time of flight at a given level between two points
✍ Scribed by J. S. Sawyer
- Publisher
- John Wiley and Sons
- Year
- 1949
- Tongue
- English
- Weight
- 601 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0035-9009
No coin nor oath required. For personal study only.