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, 1867 AD or search for March, 1867 AD in all documents.

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ylvania. It was mounted at Fort Hamilton, New York Harbor, very soon afterwards, but on account of the tremendous size and destructive effect of its projectiles it was fired only four times during the war. It was almost impossible to get a target that would withstand the shots and leave anything to show what had happened. These four shots were fired with 50, 75, 100 and 125 pounds of powder. The projectile weighed 1,080 pounds, and the maximum pressure on the bore was 25,000 pounds. In March, 1867, it was again fired four times with 125, 150, 175 and 200 pounds of powder, each time with an elevation of twenty-five degrees, the projectile attaining a maximum range of 8,001 yards. This is no mean record even compared with twentieth century pieces. we publish on page 255 an accurate drawing of the great fifteen-inch gun at Fort Monroe, Virginia; and also a picture, from a recent sketch, showing the experiments which are being made with a view to test it. It is proper that we sh