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Ben,
        These tend to be really old magnets that were
part of old radar equipment.  I'm not really sure of a
source for them anymore.

Dave Taylor
~~~~~~~~~~~~~~~~~~~~~~~

> From: Ben Randell <[log in to unmask]>
> Reply-To: Informal Science Education Network
> Date: Thu, 25 Mar 2004 11:40:50 -0600
> Subject: Large Magnets for Magnetic Sand Exhibit

> There's been so much discussion of magnets, I have to add my question to
> the mix.
>
> I'm looking for a source for a large "U" shaped permanent magnet for the
> magnetic sand exhibit.
>
> See http://www.exploratorium.edu/xref/exhibits/black_sand.html  if I'm
> not making myself clear.
>
> I've contacted a few companies in our area that make magnets, but have
> not found one that  has these.
>
> Any help would be appreciated.
>
> Thanks,
>
> Ben Randell
> Program Specialist
> Science City @ Union Station
> Kansas City, MO

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