Original Experimental Plate and Two Glass Positives

Earliest etchings without ground (before 1852). Experimental copper plate, 5" x 3 3/4" with two original glass positives.

Details

Category:
Photographs
Object Number:
1937-404
Materials:
copper (alloy) and glass
Measurements:
plate: 127 mm x 95 mm
type:
photoglyph plate
credit:
Matilda Talbot