 |
Duddell | oscillograph
| oscillograph | |
| nat.sc. | oscillograaf |
| tech. el. | registrerende trillingsmeter |
| Duddell: 3 phrases in 2 subjects |
| Electronics | 2 |
| Physics | 1 |
|
| oscillograph | |
| nat.sc. | oscillograaf |
| tech. el. | registrerende trillingsmeter |
| Duddell: 3 phrases in 2 subjects |
| Electronics | 2 |
| Physics | 1 |