Title: [Alfred Marshall Mayer with Chemistry Equipment]
Object type: Photograph
Date: 1856
Artist:  Unknown 
Artist bio: American
Artist role: Artist
Medium: daguerreotype with applied color
Dimensions: Image (visible): 2 1/16 × 1 9/16 in. (5.2 × 4 cm)
Case (closed): 2 13/16 × 2 3/8 in. (7.2 × 6.1 cm)
Classification: Photographs
Credit line: Gift of A. Hyatt Mayor, 1974
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Science, term: Men, term: Portraits, term: Chemistry