File:Columbiad 10-inch Seacoast Defense Model 1840.jpg
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Summary
| Description |
English: Photograph of a coastal defense gun on a center pivot barbette mount, intended for parapet positions on the coastal fortifications of the United States as part of the Second System of Defense. This gun is a Model 1811 prototype designed by George Bomford, later Chief of Ordnance, U.S. Army. The gun is a 50-pounder Columbiad, bore is 7.25 inches, barrel length is 74 inches, bore length is 63.5 inches. The barrel weighs 6312 pounds. A Columbiad was longer than a howitzer but shorter than a gun. This is a front view. The carriage and chassis restoration is by Paulson Brothers Ordnance of Clear Lake, Wisconsin. |
| Date | |
| Source | Own work |
| Author | Calendar5 |
This display is located in Clear Lake, Wisconsin.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:44, 29 October 2011 | | 2,063 × 2,115 (1.91 MB) | Calendar5 |
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