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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 1080 AD or search for 1080 AD in all documents.

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service at short ranges. for heavier Ordnance cast iron was early found to be the most suitable material, and proved entirely satisfactory until the adoption of the rifled systems. The American smooth-bore type of Ordnance was the best in the world. In 1860, the Ordnance Department adopted Colonel Rodman's method of interior cooling of a hollow cast tube, and in 1863 the extreme effort was made to produce a heavy gun, resulting in a successful 20-inch smooth-bore throwing a shot weighing 1080 pounds. The heavy rifled guns of the Civil War period were somewhat untrustworthy, however, and many accidents resulted. In consequence, their use was limited principally to those built on the Parrott principle, and the great mass of the heavy artillery used by the Union armies was of the smooth-bore type. the expenditures of the Government on account of the Ordnance Department for the fiscal year ending June 30, 1863, were over $42,300,000. the principal purchases that were made during t