Vacuum Tubes

A vacuum tube is a device which controls a electric current through a vacuum created by a sealed container.

Although none were “used” in the Columbus Radio project, the radio itself still had some beautiful valves in it (which I left in even though the valve circuitry is not used).

Posted: January 7th, 2015 at 2:37 pm
Last Updated on: January 7th, 2015 at 4:23 pm