✦ LIBER ✦
On Results Obtained in Photographing Solar Prominences and their Spectra
✍ Scribed by George E. Hale
- Publisher
- John Wiley and Sons
- Year
- 1891
- Tongue
- English
- Weight
- 120 KB
- Volume
- 128
- Category
- Article
- ISSN
- 0004-6337
No coin nor oath required. For personal study only.