books.google.co.uk - A description of types of artillery used in warfare throughout history, including the ancient engines of war; gunpowder introduced to Europe; the bombards; 16th century cannon; the 17th century and Gustavus Adolphus; the 18th century; U.S. guns of the early 1800s; rifling; the Civil War; and the change...http://books.google.co.uk/books/about/Artillery_Through_the_Ages.html?id=yYupSOK0BgIC&utm_source=gb-gplus-shareArtillery Through the Ages