From the Greenkeys List: Both long but very interesting.
A Modern Aladdin's Lamp
http://techchannel.att.com/play-video.cfm/2011/12/19/AT&T-Archives-Modern-Aladdins-Lamp
Hand Made Vacuum Tubes by Claude Paillard
<http://www.youtube.com/watch?v=EzyXMEpq4qw>