✦ LIBER ✦
An easily constructed scale for rating line darkness of drawings
✍ Scribed by Jerome D. Pauker
- Publisher
- John Wiley and Sons
- Year
- 1964
- Tongue
- English
- Weight
- 92 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0021-9762
No coin nor oath required. For personal study only.