Statistics for occurrence #1 of “Mr. Boardman” in chapter 34 of Admiral David D. Porter, The Naval History of the Civil War.:

...atswain, not only did his duty in the sixth division, but also skillfully served the rifled boat-guns, with which he did good service. The gunner, Mr. Stewart, in the magazine, and the carpenter, Mr. Boardman , with his shot-plugs, did their duty manfully. The engine and steam, during the whole action, were managed with consummate skill, which did great credit to Chief Engineer King and his assistants....
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