The Turn Of The Century Electrotherapy
White Snappy Sparks and Hot Ribbon Sparks
3" Pure white snappy sparks from a small Pancake Coil operated with .018 mfd 3600V 8mA (30 watts)
The coil is only 7" OD and 1.5" thick.
Hot ribbon sparks from a 10" Pancake Coil
Mejla and Sumo