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Old 10-19-2014, 08:44 AM   #3
old Rusty C10
Robert Olson Transport
 
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Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,275
Re: Drilling a hole in instrument lends

I would place the lens on a solid surface with an old soft towel under it and either scribe it like Jeff said or heat up the tip of the scratch awl a tad to melt it some. If you use a drill bit make sure you go at a very low speed but that is the least favorable route to do this
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1951 International running on a squarebody chassis


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