Statistics for occurrence #1 of “Mr. Porter” in chapter 15.60 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...respects according to the design and plans of the constructor and engineer, Messrs. Porter and Williamson. R. S. Mallory, Secretary of the C. S. Navy. This and a similar order were construed by Mr. Porter to credit him with the origin of the plan, and served as a basis to a published claim after the action in Hampton Roads, which led to a call by the Confederate House of Representatives, upon the Secr...
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