Statistics for occurrence #1 of “Fort Donelson” in page 343 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...ct these turrets after a plan which I had devised, quite different from the Ericsson or Coles systems, and in which the guns should be operated by steam. But, within a month after the engagement at Fort Donelson , the memorable contest between the Merrimac and the Monitor occurred, whereupon the Navy Department insisted on Ericsson turrets being placed upon these two vessels. At the same time the departm...
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Fort Donelson (Tennessee, United States) 3,926 145 172 1 0 user votes

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