Browsing Tree-Ring Bulletin, Vol. 51 (1991) by Subjects
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Special Sanding Films and Sandpapers for Surfacing Narrow-Ring Increment CoresSpecial sanding films (400 grit to 23 micron) and fine sandpapers (1200-1500 grit) can be used to surface increment cores containing narrow rings (e.g., >50 rings per cm) so that rings are clearly visible for microscopy and photography.