Same here, but I had no idea that it was that old.
It is true that military subjects were common (the Battle of Waterloo, for one). I remember reading about these "paintings in the round" after viewing the one in Atlanta.
It was an art form that might've lasted longer, if not for the public's intense fascination with that next attraction to come along - the motion picture. What a shame that the writer can't see past his dislike for the subject and value a piece of history (and work of art) that is deserving of preservation.