The Turn Of The Century Electrotherapy Museum

Turpentine / Poulsen Spark Gap Powered Tesla Coil:

The interesting thing about this gap is that it works.  The transformer used for this bipolar Pancake system is only 1500V

Approx. Actual size - 1 second exposure

Approx. Actual Size - 1 second exposure

Click here for movie!

S.G. Original Tungsten Spark Gap for these demonstrations is opened fully and our demonstration Poulsen Gap is placed in parallel replacing it temporarily.

(Frank's nicely drawn schematic with a few minor notes added)