Commons Attribution-Share Alike 4.0 truetrue English Cathode ray tube screen of Tektronix Oscilloscope 475A author name string: Pittigrilli Wikimedia username:...
Attribution-Share Alike 4.0 truetrue English Tektronix Oscilloscope 475A Norwegian Bokmål Tektronix Oscilloskop 475A object of statement has role: photographer author...
