Need heavy guns on the Potomac: Seacoast defenses for Washington

Even after all direct threats to Washington, D.C. abated with the end of the Gettysburg Campaign, at least one man in the capital city saw the need to improve defenses. On September 1, 1863, Brigadier-General John G. Barnard wrote to Secretary of War Edwin M. Stanton: The works of Rozier’s Bluff, and near Jones’ PointContinue reading “Need heavy guns on the Potomac: Seacoast defenses for Washington”

How to Raise a 25-Ton Cannon: Elevation System for Rodman Guns

Yesterday I covered the mechanical operation of the elevating system on pre-Civil War columbiad gun carriages.  This type of elevating gear worked for columbiads, seacoast howitzers, and even a few Navy shell guns that entered service from the 1840s to the close of the 1850s.  Almost all Confederate columbiads used the system.  Even the firstContinue reading “How to Raise a 25-Ton Cannon: Elevation System for Rodman Guns”