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2 "Siemens G4004" Electron Tubes...
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Group of Rare Audio Tubes...
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"Philips SM" TX-Triode, c. 1924...
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Rare "Seddig RIW, Würzburg" Triode, 1916...
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"Marconi T.400 MA" Transmitter Tube, c. 1930...
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"Marconi MT12A" Transmitter Tube, c. 1930...
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Thyratron Valve, c. 1970...
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7 Early French Radio Tubes, c. 1925...
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"Mullard TYS4-500" Transmitting Triode, c. 19...
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SIF Type A 4-S Transmitting Triode, c. 1935...
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Seddig Electronic Valve Triode, 1917...
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"Tungsram OQQ 150/3000" Transmitter Triode Va...
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"Marconi MR4" Rectifier Tube, c. 1925...
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"Philips PB3-1000" Transmitter Tube, c. 1960...
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Funke Type RPG 4/3 Tube Tester, 1943...
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"Lieben-Röhre" Electron Tube, c. 1990...
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"Philips MA4-600" Transmitter Triode, c. 1948...
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Large Russian Transmitting Tube...
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"Telefunken EVN94" Electron Tube, 1914 onward...
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5 Radio Engineering Measuring Devices...
