Magnetic levitation is so fascinating that it appears in electronics hobbyist journals from time to time. This project from Popular Electronics dated May 1966 is a simple and effective circuit. However, the parts are obsolete and they published a new levitator in May 1989.
Although I reproduce the scanned pages here, please contact the publisher for reprints or questions.
Last update November 28, 2006 by Barry Hansen ©1998-2007