The Turn Of The Century Electrotherapy Museum http://www.electrotherapymuseum.com Kinraide Point - Plane (Point - Plate) Tesla Coil Rectifier Static Electric Machine Based on the patents and research of Thomas Burton Kinraide Bipolar Pancake Coils, Collectors and Electrodes to distribute charges, Static Condensers Bipolar Pancake Coils - one terminating in a plane surface (left), the other a point (right) Top view.  Arched arms can swing to and fro on the condensers A clamping collet will adjust the individual height of each collector Showing Point and Plane (2) .002 40kVDC Condensers (Doorknob Caps) in series for .001 mfd 80 kVDC Condensers A pair of these are attached to the collectors for .0005 mfd 160 kVDC ...Added 16. August 09 Some photos without capacitors... Closeup of discharges