The Turn Of The Century Electrotherapy Museum

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