is 65.03 KB, has a resolution of 2000x2045 pixels and was uploaded on January 9, 2019 @ 8:04 am by user: ilsasher. It is filed under the tags: electricity, black and white, symmetry, diagram, area. Click the blue button at the top to freely download: Light Bulb Triode Electronic Symbol Vacuum Tube Schematic Circuit Diagram png.