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United States. Engineer Department. Professional papers. No. 14. Siege artillery in the campaigns against Richmond, with notes on the 15-inch gun. By Henry L. Abbot. Washington, 1867. 183 pp. Illus. Plates. 8°. 7955-25 Same. New York. Van Nostrand. 1868. 183 pp. 5953-2—=*“20” 91.10
 
[The third copy is kept on the Special Libraries Floor.]
Oct. 17, a I9Q0I