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Old 03-27-2013, 10:32 AM   #17
Will N
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Join Date: Jul 2010
Location: Pennsylvania
Posts: 1,100
Default Re: water in the oil

Can I check the flatness of the head by bluing it, and laying it on some paper that is stretched out on a large pane of glass? The glass is flat, and if the bluing transfers evenly from the head to the paper, it will tell me if the head is flat.
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