Am Mittwoch, 28. Februar 2007 17:34 schrieb Felix E. Klee: > > I once tried a cardboard frame that I cut out: It wasn't very accurate. > Perhaps, I'll try to get some rigid plastic or metal strips that I can > glue to the glass plate. > A plastic or steel ruler may help, too.
Kind regards
Jan
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We are Linux. Resistance is measured in Ohms.
