| Credit: | unknown photographer |
|---|---|
| Date: | 1862 |
| Equipment: | 12-pounder Napoleon gun; cannon; field carriage; handspike (wood); Howitzer gun; sponge and rammer staff |
| Locations & Lines: | Battery Martin Scott DC; District of Columbia; Potomac River |
| Military Units: | US Army |
| Structures & Establishments: | Chain Bridge (Potomac River) |
| Sources: | Library of Congress |
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