✦ LIBER ✦
Device for keeping the pens of ink-writing recorders moist
✍ Scribed by V. A. Ponomarev
- Publisher
- Springer US
- Year
- 1975
- Tongue
- English
- Weight
- 41 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0006-3398
No coin nor oath required. For personal study only.