From: NFetter <NFetter@aol.com>
Date: Mon, 20 Apr 1998 21:47:39 EDT
To: pinhole@exploratorium.edu
Subject: Re: Re: Pinhole Daily Digest
Hi Al,
I have a number of the old devices that measure the vector forces of the
Earth's magnetic field and one produced by a coil of wires. One of these is
non-functional and you may have it if you wish.
Neil Fetter