2 finding aid(s) found containing the word(s) Armor-plate.

  1. Charles O'Neil papers, 1833-1927

    5,500 items ; 31 containers plus 1 oversize ; 10 linear feet -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Naval officer. Correspondence, diaries, subject files, scrapbooks, financial records, genealogical data, and photographs relating primarily to O'Neil's service as chief of the Bureau of Ordnance in the navy.

  2. Montgomery Sicard papers, 1800-1948

    1,200 items ; 4 containers ; 2 linear feet -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Naval officer. Correspondence, subject file, and miscellaneous material relating to Sicard’s naval career, including diagrams and memoranda for breech-loading howitzers and his plans for steel armor plate for ships.