Statistics for occurrence #1 of “Junior 2nd Lieut. Thomas R. Armitage” in chapter 4 of John D. Billings, The history of the Tenth Massachusetts battery of light artillery in the war of the rebellion:

...his city about 1 o'clock. The following is a list of the officers:—Capt., J. Henry Sleeper; Senior 1st Lieut., Henry H. Granger; Junior 1st Lieut., J. Webb Adams; Senior 2nd Lieut., Asa Smith; Junior 2nd Lieut. Thomas R. Armitage ; First Sergeant, Otis N. Harrington; Quartermaster Sergeant, S. Augustus Alden; chiefs of Pieces with rank of sergeants, George H. Putnam; Philip T. Woodfin; Charles E. Pierce; Samuel J. Bradlee; Ch...
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