Visualization of shipping routes in time period of years 1750 - 1854 : it shows about 100 years of ship paths in the seas, as recorded in hundreds of ship's log books, by hand, one or several times a day. The data source is a dataset of the Climatological Database for the World’s Oceans 1750-1850 (CLIWOC) project (European Union funded project, 2001-2003).
