generator tetrode, old radio lamp. conducting tests and electrical measurements.

---

generator tetrode, old radio lamp. conducting tests and electrical measurements

---

Size: 6000px × 3838px
Photo credit: © Anatolii Kazakov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, amateur, amplifier, amplifying, anode, background, booster, cathode, ceramics, closeup, color, colorful, component, cooling, current, design, device, electric, electrical, electronic, equipment, face, glass, glasses, happy, image, industry, isolated, lamp, man, metal, metallic, paper, pattern, people, power, powerful, radiator, radio, reflection, retro, technology, television, texture, transmitter, tube, vintage, woman, women