Vacuum tubes (old ones)

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Vacuum tubes used in old radios and TV's

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Size: 3472px × 2312px
Location: Spain
Photo credit: © arturoli / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: amplifier, diode, edison, electron, electronic, electronics, history, lamp, lamps, pentode, radio, television, tetrode, thermionic, thermoionic, transistor, triode, tubes, vacuum, valve