Title: [Seated Man Demonstrating Vertical Sliding Window Model]
Creator: Unknown
Date Created: late 1850s–60s
Physical Dimensions: Image: 4.8 x 3.6 cm (1 7/8 x 1 7/16 in.)
Plate: 6.4 x 5.1 cm (2 1/2 x 2 in.)
Case: 1.7 x 7.3 x 6.2 cm (11/16 x 2 7/8 x 2 7/16 in.)