Statistics for occurrence #1 of “Acting-Master S. W. Preston” in chapter 34 of Admiral David D. Porter, The Naval History of the Civil War.:

...g-Master Stiles, acting as pilot, was devoted and intelligent in the performance of his duties; and the third-assistant engineer, Missieveer, who attended the bell, was prompt and always correct. Acting-Master S. W. Preston , acting as my flag-lieutenant, displayed throughout the day an undisturbed intelligence and a quick and general observation, which proved very useful. His duties as signal-officer were performed wi...
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