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Path: utzoo!watmath!clyde!caip!lll-crg!lll-lcc!well!slf
From: slf@well.UUCP (Sharon Lynne Fisher)
Newsgroups: net.misc
Subject: Re: beer bottles
Message-ID: <1588@well.UUCP>
Date: Tue, 5-Aug-86 18:17:00 EDT
Article-I.D.: well.1588
Posted: Tue Aug  5 18:17:00 1986
Date-Received: Thu, 7-Aug-86 05:57:38 EDT
References: <4204@decwrl.DEC.COM> <331@ccnysci.UUCP>
Reply-To: slf@well.UUCP (Sharon Lynne Fisher)
Organization: Whole Earth Lectronic Link, Sausalito CA
Lines: 6
Keywords: Cobalt blue


>Glass is made blue by adding a pinch of Cobalt.
>So, why are beer bottles only clear,green and brown?
>(Maybe the other colors are too expensive?)

At least in glassblowing, red is made with gold (the metal).