# Untitled (Portrait of a Girl)

- By: Marcus Aurelius Root (American, 1808-1888)
- Date: 1855
- Medium: Daguerreotype
- Classification: Photograph
- Dimensions: 8.1 × 6.9 cm (3 1/4 × 2 3/4 in.); Open case: 9.2 × 16 × 1.2 cm (3 5/8 × 6 5/16 × 1/2 in.); Case: 9.2 × 8 × 1.6 cm (3 5/8 × 3 3/16 × 11/16 in.); Plate: 8.3 × 7 cm (3 1/4 × 2 3/4 in.)
- Culture: United States
- Credit line: The W. Bruce and Delaney H. Lundberg Collection, purchased with funds provided by The Leonian Charitable Trust
- Museum: [Art Institute of Chicago](https://www.artic.edu/artworks/250003)
- Rights: [Public domain (CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://www.artic.edu/iiif/2/ba57aef3-7730-900e-a2a5-af87ba402832/full/!1920,1080/0/default.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)