The Turn Of The Century Electrotherapy Museum

 4" Capacity Induction Apparatus

2.375 x 10" Secondary Coil - 34 AWG, approx 1500T
Primary 8 turns of Copper Ribbon
Core 1.5" Square x 13" Long
Acetate sheets used for interleave material.  120-240V HID Ballast, 7.5 mfd Motor Run Cap, Spark Gap

Current-limiting inductors are small electromagnets of various shapes and sizes.  They effect the electrical discharges seen.

Hot ribbon

Hot hissing ribbons

Hot discharge

Hissing Sparks

Single Sparks

Crackles - Hissing Sparks


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