Tektronix type 555 oscilloscope, over 100 tubes inside!

244.011 Lượt nghe

00:00

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

Tektronix type 555 oscilloscope, over 100 tubes inside!

Tektronix Type 555 Dual Beam Oscilloscope with over 100 vacuum tubes. See if it works after all these years.					