✦ LIBER ✦
An electron tube amplifier usng 60-cycle alternating current to supply power for the filaments and plates
✍ Scribed by P.D. Lowell
- Book ID
- 104123896
- Publisher
- Elsevier Science
- Year
- 1922
- Tongue
- English
- Weight
- 213 KB
- Volume
- 194
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.