Piing
Axe-Master
We could use them for a Vacuum Tube Chess Game
Vacuum Tube Chess Set Flickers and Glows | Gadget Lab | Wired.com
CHECK MATE! I killed your 6L6! LOL
![tesla-chess-3.jpg](/proxy.php?image=https%3A%2F%2Fdl.dropbox.com%2Fu%2F46804116%2Ftesla-chess-3.jpg&hash=3682d6b55d1a52caa7d2330f77cd19a5)
Vacuum Tube Chess Set Flickers and Glows | Gadget Lab | Wired.com
CHECK MATE! I killed your 6L6! LOL
![vacuchess.jpg](/proxy.php?image=http%3A%2F%2Fwww.wired.com%2Fimages_blogs%2Fgadgetlab%2F2009%2F07%2Fvacuchess.jpg&hash=5fe42a080f8174b734af3daa93db4622)