Samuel J. Miller

1865 · Daguerreotype

10.7 × 8.2 cm (4 1/4 × 3 1/4 in.); Open case: 11.9 × 18.8 × 1.3 cm (4 11/16 × 7 7/16 × 9/16 in.); Case: 11.9 × 9.4 × 2 cm (4 11/16 × 3 3/4 × 13/16 in.); Plate: 10.8 × 8.3 cm (4 1/4 × 3 1/4 in.)

Art Institute of Chicago

1862 · Ambrotype

Plate, approx: 9.6 × 8.1 cm (3 13/16 × 3 1/4 in.); Image, sight: 8.7 × 6.3 cm (3 7/16 × 2 1/2 in.); Open case: 11.6 × 18.5 × 0.8 cm (4 5/8 × 7 5/16 × 3/8 in.); Case: 11.6 × 9.3 × 1.6 cm (4 5/8 × 3 11/16 × 11/16 in.)

Art Institute of Chicago

1847 · Daguerreotype

14 × 10.6 cm (5 1/2 × 4 1/8 in., plate); 12.1 × 8.8 cm (4 3/4 × 3 1/2 in., mat opening); 15.2 × 12 × 1.4 cm (6 × 4 3/4 × 1/2 in., plate in closed case); 15.2 × 24 × 2 cm (6 × 9 1/2 × 3/4 in., plate in open case)

Art Institute of Chicago