This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: jpg scan -> svg redrawn. The original can be viewed here: ColumbiadDrawing.jpg: . Modifications made by McSush.

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• File:ColumbiadDrawing.jpg licensed with PD-USGov
  • 2007-11-26T18:58:34Z Junglerot56 230x364 (31690 Bytes) {{Information |Description=Drawing comparing M.1844 8-inch cloumbiad and M. 1861 10-inch "Rodman" columbiad. |Source=ARTILLERY THROUGH THE AGES A Short Illustrated History of Cannon, Emphasizing Types Used in America http://w

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