http://www.freeenergynews.com/Directory/MagneticMotors/Paul_Harry_Sprain/Paul_Harry_Sprain_magnet_motor.avi

http://www.kjmagnetics.com/proddetail.asp?prod=BY0X08

http://peswiki.com/images/c/cd/Kawaii_spiral_hj85.jpg

http://www.lutec.com.au/