Transmitting triode (vacuum tube).

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Size: 5114px × 3417px
Photo credit: © Dorling Kindersley/UIG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: background, close-, detail, electronics, glass, horizontal, object, people, shot, single, studio, transmitter, transparent, triode, tube, vacuum, white