Browsing named entities in The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery. (ed. Francis Trevelyan Miller). You can also browse the collection for March 30th, 1861 AD or search for March 30th, 1861 AD in all documents.

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The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery. (ed. Francis Trevelyan Miller), The Ordnance department of the Federal army (search)
ided movement toward the adoption of these guns in 1859, simultaneously The biggest gun of all — the 20-inch monster for which no target would serve A photograph of the only 20-inch gun made during the war. It weighed 117,000 pounds. On March 30, 1861, a 15-inch Columbiad was heralded in Harper's Weekly as the biggest gun in the world, but three years later this was exceeded. In 1844 Lieutenant (later Brigadier-General) Thomas Jefferson Rodman of the Ordnance Department commenced a seriesf the Ordnance Corps. Its dimensions are as follows: total length190 inches. length of calibre of bore156 inches. length of ellipsoidal chamber9 inches. total length of bore165 inches. maximum exterior diameter.48 inches. news of March 30, 1861. with their introduction into the foreign services. Prior to that time, artillerists and inventors had directed their attention to the production of a projectile on the expanding system. This method of making the projectile take the rifli