| 1 | Author: | De Forest, Lee, 1873-1961 | Add |
| Title: | Papers of Lee De Forest
1884-1955  | ||
| Published: | 1997 | ||
| Subjects: | Electronics | Inventions | Preparatory schools | Radio | Sound--Recording and reproducing | Sound--Transmission | Wireless communication systems | ||
| Similar Items: | Find | ||
