---------- From: ESchulz531 [SMTP:ESchulz531-at-aol-dot-com] Sent: Thursday, April 02, 1998 4:05 PM To: tesla-at-pupman-dot-com Subject: Re: Inductance (fwd) Using n = b * d and simplifying we get r = 9 / 10 * b >From wheelers equation. Erik