Several vintage electronic vacuum tubes on the old electronic scheme

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Size: 4800px × 3200px
Photo credit: © Rachko / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: board, circuit, diagram, electric, electrical, electron, electronic, electronics, engineering, equipment, glass, industry, instrument, lamp, metal, obsolete, paper, pattern, retro, scheme, technology, tool, tools, tube, tubes, vacuum, vintage