electronic nostalgia: vintage circuit board in detailed shot

amateur antique army audio background board bottom box breaker buttons cabinet cable chassis circuit communication component connection console control cycle danger dangerous device dirty electric electrical electrician electricity electronic equipment frequency fuse gain home inspector mainboard manufacturer mechanical metal meter military model modified module network office old panel phone plug power print printer radio receiver red residential rust signal soldier switch switchboard system technology telegraph transformer transmitter tuner tuning vintage voice volt voltage voltmeter war watt white wire wireless worn