Period photograph of <a href="https://en.wikipedia.org/wiki/Battery_Rodgers" class="extiw" title="en:Battery Rodgers">Battery Rodgers</a> <a href="https://en.wikipedia.org/wiki/Alexandria,_Virginia" class="extiw" title="en:Alexandria, Virginia">Alexandria, Virginia</a> showing a 15-inch <a href="https://en.wikipedia.org/wiki/Rodman_gun" class="extiw" title="en:Rodman gun">Rodman gun</a> mounted on a center-pintle barbette carriage (rear) and an <a href="https://en.wikipedia.org/wiki/Siege_artillery_in_the_American_Civil_War#8-inch_(200-pounder)_Parrott_rifle" class="extiw" title="en:Siege artillery in the American Civil War">8-inch (200-pounder) Parrott rifle</a> mounted on a front-pintle barbette carriage (front).  The 8-inch Parrott rifle used the same carriage as the 10-inch Rodman gun.
Confederate States Government.
1865
Library of Congress Prints and Photographs Division Washington, D.C.