Gun crew about to fire. Bucket in front holds water to swab barrel after each shot, lest remaining lit pieces of gunpowder set off the new charge.
Heavy fortress guns from Fort Sumpter.
Carronade fortress gun. These have a rudimentary recoil mechanism.
Carronade with crew - crews for these guns were very large.
Fortress cannon on high carriages. Note sloping base for recoil.
Officer poses with a heavy gun on fortress mounting
Light six-pound gun with crew.