A battery of "Quaker Guns" - Public domain albumen print photogrpaph

Stereograph showing two soldiers standing behind carts mounted with logs, or imitation cannons, as part of a mock battery erected by the 79th New York Volunteers on Coosaw River at Seabrook Point, Port Royal Island, South Carolina.
No. 161.
Part of series: The War for the Union. Photographic War History, 1861-1865.

Attributed to Timothy H. O'Sullivan, based on LC-B811-161.
Forms part of: Civil War Photograph Collection (Library of Congress).
Original negative is: LC-B811-161.