| 1. | Her main teaching were electromagnetic theory, electron tube circuits and microwave technology.
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| 2. | Initially the Laureldale Laboratory designed electron tubes ( vacuum tubes ).
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| 3. | :An engineer draws a random sample of electron tubes and measures their voltage.
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| 4. | Arco's greatest service lay in the development of the large electron tube experiments.
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| 5. | Krypton-85 was used in cold-cathode voltage regulator electron tubes, such as the type 5651.
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| 6. | JJ Electronic follows up on the TESLA was the main Czechoslovak producer of electron tubes.
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| 7. | He is best known for his book, " Handbook of Electron Tubes and Vacuum Techniques ".
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| 8. | Tantalum was extensively used in the production of ultra high frequency electron tubes for radio transmitters.
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| 9. | His area of expertise was electron tube technology, and specifically light amplification devices for night vision.
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| 10. | NEC started developing electron tubes in 1925.
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