Aug 04 2011 6 mins 42
If you look at the outer hull of commercial ships you might find a painted circle bisected with a long horizontal line- this simple marking is called the load line, or as I prefer, the Plimsoll line- and not to oversell it, but this elegant graphic design has saved thousands of lives. Tristan Cooke (http://Humansindesign.tumblr.com) tells us the history of the Plimsoll line and explains why it's one of his favorite examples of design.
