Date: Sat, 02 Feb 2002 13:30:19 +0000 (US/Pacific)


Subject: Re: Disappearing Eye Dropper


I use wesson oil and pyrex,
however at the Exploratorium we mix heavy mineral oil and light mineral oil to
get the perfect match for pyrex.

Start with heavy mineral oil, keep adding light oil and stirring with a pyrex
rod until the rod vanishes.

Paul Doherty

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