Frederick Langenheim

1850 · Daguerreotype

10.8 × 14 cm (4 5/16 × 5 9/16 in.); Open case: 15.4 × 24.3 × 1 cm (6 1/8 × 9 5/8 × 7/16 in.); Case: 15.4 × 12.3 × 1.7 cm (6 1/8 × 4 7/8 × 11/16 in.); Plate: 10.8 × 14 cm (4 1/4 × 5 1/2 in.)

Art Institute of Chicago

1848 · Daguerreotype

13.8 × 10.6 cm (5 7/16 × 4 3/16 in.); Open case: 15 × 24 × 1.3 cm (5 15/16 × 9 1/2 × 9/16 in.); Case: 15 × 12 × 2 cm (5 15/16 × 4 3/4 × 13/16 in.); Plate: 10.8 × 14 cm (4 1/4 × 5 1/2 in.)

Art Institute of Chicago

1846 · Daguerreotype

10.7 × 8.1 cm (4 1/4 × 3 1/4 in.); Open case: 11.8 × 18.8 × 1 cm (4 11/16 × 7 7/16 × 7/16 in.); Case: 11.8 × 9.4 × 1.6 cm (4 11/16 × 3 3/4 × 11/16 in.); Plate: 10.8 × 8.3 cm (4 1/4 × 3 1/4 in.)

Art Institute of Chicago