ID 121871379 © Noomcm | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
adjust aluminium and background case circuit circular closing control device dial drive electronics equipment gang gangs instrument isolated motor objects one operation parts pin potentiometer potentiometers precision resistor resistors service six technical tuning two variable vintage volume white