tuning-fork
controlled | oscillator
| tuning fork | |
| cultur. | stemvork |
| oscillator | |
| earth.sc. el. | triller |
| el. | trillingskring |
| |||
| stemvorken f | |||
| |||
| stemvork f | |||
|
tuning-fork : 8 phrases in 5 subjects |
| Automated equipment | 2 |
| Communications | 1 |
| Electronics | 2 |
| Measuring instruments | 1 |
| Medical | 2 |