old vacuum tube (electron tube) and transformer on graph paper background

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Size: 3456px × 2304px
Photo credit: © Militarist / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ancient, anode, background, big, black, broadcasting, bulb, cathode, component, diode, electrical, electricity, electron, electronics, energy, engineering, equipment, glass, green, history, industrial, industry, isolated, lamp, light, metal, obsolete, paper, radio, retro, science, small, technology, television, transformer, triode, tube, vacuum, valve, vintage, white