I agree, they sound like lithography plates.
Marc
American Conservation Consortium, Ltd.
4 Rockville Road
Broad Brook, CT 06016
www.conservator.com
860-386-6058
From: topladave .
Sent: Thursday, September 29, 2016 11:43 AM
To: [log in to unmask]
Subject: Re: [MUSEUM-L] Historic photographs
Bronwen,
Is the metal copper?
These sure sound like copper plate photographs used for printing.
Cheers,
Dave
David Harvey
Senior Conservator & Museum Conservator
Los Angeles CA. USA
www.cityofangelsconservation.weebly.com
On Sep 29, 2016 8:37 AM, "Bronwen Sanders" <[log in to unmask]> wrote:
The Buggy Museum received two items that are a mystery for us. Can anyone help? They are wooden blocks, 7/8" depth, different height and length. They have flat metal plates nailed to the block. The metal has an image, but it is a negative image and we can identify the men. But since this is out of my area, I don't know if these are negatives? Tintypes? They are different from all other negatives and tintypes that we currently have in our collection. I can send photos to anyone off list if you can help.
--
Bronwen Anderson-Sanders, Executive Director
Mifflinburg Buggy Museum
598 Green Street, Mifflinburg, PA 17844
570-966-1355
www.buggymuseum.org
Get on the PATH - Preserve American Transportation History
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