✦ LIBER ✦
Automatic flame change — over for furnaces working on natural gas
✍ Scribed by V. K. Kovtun
- Publisher
- Springer US
- Year
- 1961
- Tongue
- English
- Weight
- 475 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0361-7610
No coin nor oath required. For personal study only.