Stock photo: Vacuum tubes
Stock photo: Set of old vacuum tubes on white background.
Stock photo

#3684167 Vacuum tubes by ajt Stock photo ajt

XL JPG 5184 x 3456 pixels
17.3" x 11.5" | 43.9 cm x 29.2 cm @ 300dpi JPG
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Keywords

cathode ray tube crt device diode electrodes electron tube electron tubes electronic glass high voltage old pentode technology thermionic valve triode tube tubes vacuum vacuum tube vacuum tubes valves vintage