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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