Vacuum Tube Tesla Coils
VTTC-1 (Dual 811A tubes)
VTTC-2 (304TL)
VTTC-3 (Dual 833A)
VTTC-4 (810)
VTTC-5 (Single 833A)
VTTC-6 (833Cs, coming this winter)
Staccato Controller
VTTC FAQ (lots of information about tube coils)