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From: Monona Rossol <actsnyc**At_Symbol_Here**cs.com>
Subject: Re: [DCHAS-L] Artifacts
Date: Oct 23, 2015 16:12 UTC
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DCHAS-L
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Perhaps contact the Chemical Heritage Foundation ( https://urldefense.proofpoint.com/v2/url?u=http-3A__www.chemheritage.org_&d=BQIGaQ&c=lb62iw4YL4RFalcE2hQUQealT9-RXrryqt9KZX2qu2s&r=meWM1Buqv4IQ27AlK1OJRjcQl09S1Zta6YXKalY_Io0&m=82xyEoxauy1ZSq9wgSq0dvh2aiWJRwXcWiiMOBz2ojM&s=9rkoGPJESb1DAHYNAIjIfnAzw6A1xkC5ff5NUQOUdL8&e= )? They have a museum, and while not dealing with something as old as your "client", they might have a useful chemical perspective. Michael C. Fisher Group Manager CECON LLC 242 N. James Street, Suite 202 Wilmington, DE 19804-3168 302.994.8000 302.994.8837 fax mfisher**At_Symbol_Here**cecon.com www.cecon.com Experts at Finding Technical Experts=E2=84=A2 -----Original Message----- From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Richardson, Nancy A Sent: Friday, October 23, 2015 7:49 AM To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU Subject: [DCHAS-L] Artifacts Someone asked our department for "help to identify the substance that some artifacts are made of. We have two artifacts that are made from an unknown substance and are reacting with either the air, or the glass, and leaving odd stains on the glass in the exhibits." We asked for more information and the person said . "I think they are from the Late Roman Period but their authenticity I question. However, it's just a gut feeling and I have nothing that proves they are not authentic. They were found in the land of Israel but we are not sure where as they were purchased in a store." Would anyone have a suggestion about this? Thanks, Nancy --------------