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| |||
| Dissectorröhre f; Sondenröhre f | |||
| Farnsworthröhre f | |||
| Bildsondenröhre f | |||
| Bildzerlegerröhre f (tube); Dissektorröhre f; Elektronenbildzerleger m; Farnsworth-Röhre f | |||
| Farnsworth-Röhre f (tube); Bildzerlegeröhre f | |||
| image dissector: 2 phrases in 2 subjects |
| Electronics | 1 |
| Optics branch of physics | 1 |