 |
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| Stimmgabel f | |||
| Stimmgabel f (Zeitmarkengeber der Seismik) | |||
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tuning-fork : 33 phrases in 11 subjects |
| Automated equipment | 2 |
| Communications | 1 |
| Electronics | 3 |
| General | 3 |
| Measuring instruments | 2 |
| Medical | 3 |
| Medical appliances | 4 |
| Optics branch of physics | 1 |
| Physics | 1 |
| Technology | 12 |
| Transport | 1 |