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Moderne Mehrgitter-Elektronenröhren

Nature volume 143, pages 539540 (01 April 1939) | Download Citation

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Abstract

THE thermionic valve is the classical example—it is even a heavily overworked example—of the everyday implement which sprang directly from the most academic physics. Its development from the useful diode to the revolutionary triode may not have been a calculated development. But thesucceeding stages of advance have been guided by the ingenious and meticulous application, clearly reasoned and quantitatively evaluated, of modern physical knowledge. Of the political consequences of these developments, this is not the place to speak. Of the direct economic consequencesit is sufficient to quote Dr. Strutt's estimate that a hundred and fiftymillion multi-electrode receiving valves are in everyday use.

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https://doi.org/10.1038/143539a0

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