A quarter plate negative. A slightly distant starboard near broadside view, taken from just ahead of the beam, of the 3 masted ship rigged vessel Alexander Duthie (1867) at moorings in Gravesend Reach, River Thames. She is rigged with double topsails, single topgallants and single royals. Tilbury Fort Watergate is in the background. A copy of whole plate negative G1298.