Ryder Group/New York 7th Regiment, c. 1860-1870, Smithsonian: National Portrait Gallery
Size: Plate: 10.1 × 7.2 × 0.3 cm (4 × 2 13/16 × 1/8")
Medium: Glass plate collodion negative
Ryder Group/New York 7th Regiment, c. 1860-1870, Smithsonian: National Portrait Gallery
Size: Plate: 10.1 × 7.2 × 0.3 cm (4 × 2 13/16 × 1/8")
Medium: Glass plate collodion negative