Statistics for occurrence #1 of “Colonel Rodman” in chapter 8 of 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.:

... 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....

Don't like any of these choices? Suggest a new possibility...

Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.