Statistics for occurrence #1 of “Coehorn” in chapter 4, page 54 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.:

...the war, finally causing the surrender of a remnant of the proud Army of Northern Virginia. While at Petersburg, an interesting experiment was tried which resulted successfully. A large 13-inch Coehorn mortar was mounted on an ordinary railroad platform car, run down to a point within range of the Confederate works, and halted on a curve so that by a slight movement of the car the direction of the ...
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Coehorn 97 12 1 0 0 user votes

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