| |||
| adjustment knob; focus adjustment knob | |||
| control knob; drive knob | |||
|
Triebknopf : 2 phrases in 1 subject |
| Optics branch of physics | 2 |
| |||
| adjustment knob; focus adjustment knob | |||
| control knob; drive knob | |||
|
Triebknopf : 2 phrases in 1 subject |
| Optics branch of physics | 2 |