A half plate negative. A distant port side view, taken from well abaft the beam, of an unidentified 3 masted schooner under sail, possibly in the Thames estuary. She has a white painted wooden hull, is on the starboard tack and has ten sails set comprising a flying jib, outer jib, inner jib, fore staysail, fore gaff topsail, foresail, main gaff topsail, mainsail, mizzen gaff topsail and mizzen sail.