Report of board of officers convened at New York City, Jan. 16, 1873, to examine and report upon plans and models of such depressing and other carriages for heavy ordnance as board should deem worthy of trial [electronic resource].
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.