Thank you.
S. Walter
----- Original Message -----
From: <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, September 01, 2005 10:38 AM
Subject: Re: porcelain id


> Our experience is that hard paste porcelain always looks the same under UV
> shortwave light, wherever it was made.
>
> Barbara H. Magid
> Alexandria Archaeology Museum
> 105 N. Union Street #327
> Alexandria, VA 22314
> (703)838-4399
> (703)838-6491 (fax)
> www.AlexandriaArchaeology.org
>
>
>
>
>              Susan Walter
>              <[log in to unmask]
>              >                                                          To
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>              HISTORICAL                                                 cc
>              ARCHAEOLOGY
>              <[log in to unmask]                                     Subject
>              >                         Re: porcelain id
>
>
>              08/31/2005 11:22
>              AM
>
>
>              Please respond to
>                 HISTORICAL
>                 ARCHAEOLOGY
>              <[log in to unmask]
>                      >
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>
> THANK YOU!
> ----- Original Message -----
> From: "George Myers" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, August 31, 2005 5:50 AM
> Subject: Re: porcelain id
>
>
> One thing you might give a try, is to illuminate the pieces under long
> and/or shortwave ultraviolet light. Certain types of artifacts, though
> characterized as the same type (lead glass) will glow or fluoresce at
> a different wavelength due to their different chemical compositions,
> methods of manufacture, changing formula, etc., perhaps, and maybe
> (like CSI and their filter glasses) show a fundamental difference
> between the two.
>
> George Myers
>
> (lead glass generally fluoresces vs. regular glass)