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From: otter!dps@hplabs.hp.com (Duncan Smith)
Date: 25 Sep 89 12:50:34 GMT
Subject: Re: CD repairs
Newsgroups: rec.music.gaffa
Organization: Hewlett-Packard Laboratories, Bristol, UK.
References: <8909192216.AA18618@uunet.uu.net>
I have seen results obtained with a mild abrasive such as toothpaste. The idea is presumably that it partly fills in the scratch (Helping to eliminate discontinuities in refractive index) and partly makes it shallower by removing a thin surface layer. Duncan Smith