Statistics for occurrence #1 of “J. B. Newcomb” in chapter 55 of Admiral David D. Porter, The Naval History of the Civil War.:

...cting-Master, Wm. Fales; Acting-Ensigns, E. W. Halcro, Charles Nellman and D. W. Andrews; Acting-Assistant Paymaster, Samuel A. Kay. Acting-Master, Charles W. Rodgers; Acting-Master's Mates, J. B. Newcomb , J. G. Underhill and John Wolstenholme; Engineers: Acting-Second Assistant, A. N. Koones; Acting-Third-Assistants, H. E. Whitworth, W. B. Hall and C. M. Adams. Acting-Master, Charles F. Mitc...
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