✦ LIBER ✦
Modification of the Micrometer-head, devised Mr. Joseph A. Royers, Aid U. S. Naval Observatory
✍ Scribed by Prof. J. M. Gilliss
- Book ID
- 101658460
- Publisher
- John Wiley and Sons
- Year
- 1865
- Tongue
- English
- Weight
- 95 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0004-6337
No coin nor oath required. For personal study only.