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Coulter mirror

Started by rhinson11, 01/03/2005 02:39AM
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Posted 01/03/2005 02:39AM Opening Post
Roger Hinson
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Join Date: Mar 2002

Location: westland MI, US

Posts: 54

When I pulled the mirror out of my dob to clean it, I noticed that the side of the mirror was marked with a -4 on it. Does anybody know what this means?
Thanks
Roger
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