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I never got Cathy's original posting (as so often happens; I only see
the/some replies...???)...but was going to point out this recent SHA
article...as Jennifer has done.
Lockhart points out in his article, that the US didn't really depend
(only) on Germany for their manganese source...so, that wasn't really a
factor in the 'purple' glass issue. It has more to do with
progress...and the use of the automatic bottle machine (glass formula,
etc.)... see Miller & Sullivan (as cited in Lockhart's article).
:o)
-----Original Message-----
From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of
Jennifer M. Faberson
Sent: Tuesday, January 22, 2008 2:01 PM
To: [log in to unmask]
Subject: Re: manganese clarified glass date
Cathy-
Please see:
Lockhart, Bill
2006 The Color Purple: Dating Solarized Amethyst Container Glass.
Historical
Archaeology 40(2):45-56.
He suggests that the end date is more like 1920, and breaks it down
based on
vessel type. Hope this helps!
Jennifer Faberson
Historic Materials Specialist
Cultural Resource Analysts, Inc.
[log in to unmask]
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