Sapping Attention: Reading digital sources: a case study in ship’s logs
▻http://sappingattention.blogspot.com.es/2012/11/reading-digital-sources-case-study-in.html
All voyages from the ICOADS US Maury collection. Ships tracks in black, plotted on a white background, show the outlines of the continents and the predominant tracks on the trade winds.
thx @severo :)
