Keywords: monochrome blackandwhite outdoor black and white USS Monitor (1862). Line engraving, published in "Harper's Weekly", 1862, depicting the turret interior and guns. NHHC Photograph Collection, NH 58856. USS Monitor (1862). Line engraving, published in "Harper's Weekly", 1862, depicting the turret interior and guns. NHHC Photograph Collection, NH 58856. |