Title: Salient with North-west Casemates, Fort Sumter
Object type: Carte-de-visite
Date: April 1861
Artist:  J. M. Osborn 
Artist bio: American, active Charleston, South Carolina, 1850s–1860s
Artist nationality: American
Artist role: Artist
Medium: Albumen silver print from glass negative
Dimensions: Image: 6 × 7.3 cm (2 3/8 × 2 7/8 in.)
Mount: 8.5 × 12 cm (3 3/8 × 4 3/4 in.)
Classification: Photographs
Credit line: Gilman Collection, Museum Purchase, 2005
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Fortification, term: Soldiers, term: Cannons, term: American Civil War