Have you tried doing this yourself?
Please do and report back to us.
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On Mon, 2 Feb 2004, russhill wrote:
> Dear Sir,
> I am trying to turn a small metal cam that is inside of a plastic sealed
> case. I am thinking that a electromagnet that shifts polarity could
> push the disk in one direction and reversed turn it in the other. Is
> this possible and if so who could help me to make such a device?
> Thanks for the help
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