Photograph Conservation & Restoration
 

CLC_Warren Thompson stereo-daguerreotype_During treatment_Copper plate – hammering

Full size 2085 × 1918 pixels
This image shows the verso of the daguerreotype plate, with copper, which indicates that the silver layer was added onto the copper plate by hammering.

During treatment – verso of right daguerreotype (copper)

Credits: Chloé Lucas, CLC

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