Banned from taking naval vessels to foreign ports after WW1 Germany undertakes a comprehensive oceanographic expedition to the Atlantic Ocean to test many new measurement systems and to establish the long term circulation patterns of the Atlantic. Challenged by the proscription on German naval vessels from visiting foreign ports after WW1 a group of German oceanographers from the Institute for Marine Sciences in Berlin carried out a pioneering research expedition from 1925-27 to sample the hydrographic structure of the South Atlantic Ocean. Its captain Fritz Spiess was the primary driving force behind the expedition and the German navy supplied the survey ship Meteor. During this 2.5 year expedition the Meteor scientists tested a great many new measurement systems many of which later becam...