Undeveloped daguerreotupe plate

Undeveloped daguerreotupe plate
Title
Undeveloped daguerreotupe plate
Date 
1840-1860
Medium 
Copper, silver
Dimensions 
Overall: 3 1/4 x 2 3/4 in. ( 8.3 x 7 cm )
Description 
Rectangular copper plate with canted corners; coated on one side with chemical.
Credit Line 
Purchase, Abbott Fund
Object Number 
1954.233b
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group