24 Free Photos of Triode

cc-zerovacuum triodesfiles uploaded by daderotvacuum tubes in the national electronics museummuseum and centennial hall, the tokyo institute of technologyvacuum tubes in the tokyo institute of technology museumrca vacuum tubesnec vacuum tubeswestern electric vacuum tubes1922 productions
Pm1hf circa 1930
valvetube
Hitachi 12BH7A
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VT126
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Helium quantum physics franck-hertz
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Philips Miniwatt EC90
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VT1 Detector-Amplifier Triode, Western Electric, c. 1917 - National Electronics Museum - DSC00110
self-published work1917 productions
GL-862A Broadcast Transmitting Triode, water cooled, General Electric, c. 1930 - National Electronics Museum - DSC00179
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Kurzwellensendeanlage Wertachtal (28)
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Roehrentriode.Schott.M.1917
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Kurzwellensendeanlage Wertachtal (29)
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UV-147
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TW501D
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9T-71
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8T-92
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強制空冷菅
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UV201A, RCA, c. 1922 - National Electronics Museum - DSC00127
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UX201A, RCA, c. 1925 - National Electronics Museum - DSC00129
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UV201, RCA, c. 1920 - National Electronics Museum - DSC00124
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WD-12 Receiving Tube, Westinghouse, c. 1923 - National Electronics Museum - DSC00121
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UX199 Receiving Tube, RCA - General Electric, c. 1922 - National Electronics Museum - DSC00117
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UV199 Receiving Tube, RCA - General Electric, c. 1922 - National Electronics Museum - DSC00114
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Western Electric No. 215A vacuum tube, introduced c. 1931 - Bennington Museum - Bennington, VT - DSC08648
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VT2 5-Watt Transmitter Tube, Western Electric, c. 1917 - National Electronics Museum - DSC00112
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Triod Postnaja Font Slavonic
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