April 2, 2009 - Plimsoll depth gauge of sailing ship Rickmer Rickmers at Landungsbrücken in the German city of Hamburg.

- Image ID: BA0W47
April 2, 2009 - Plimsoll depth gauge of sailing ship Rickmer Rickmers at Landungsbrücken in the German city of Hamburg.
Thomas Lehne/ lotuseaters / Alamy Stock Photo
Image ID: BA0W47
April 2, 2009 - Plimsoll depth gauge on the stem of sailing ship Rickmer Rickmers at Landungsbrücken in the German city of Hamburg.