Image of a vintage vacuum tube against a black background. Possibly a double diode triode - could have seen use as a radio tube

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Size: 2700px × 3375px
Photo credit: © Alexander Wolfe / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: age, amateur, amplifier, antique, diode, electronics, engineer, engineering, fashioned, golden, guitar, ham, homebrew, radio, receiver, rule, slide, sylvania, timer, transmitter, triode, tube, vacuum, valve