By the way, a really interesting documentary on the expedition (and Méchain's error) exists, though maybe not in English. It's been aired on Arte (and probably

By the way, a really interesting documentary on the expedition (and Méchain's error) exists, though maybe not in English. It's been aired on Arte (and probably ZDF in Germany): In French: http://www.arte.tv/guide/fr/041693-004/un-metre-pour-mesurer-le-monde http://www.arte.tv/guide/fr/041693-004/un-metre-pour-mesurer... / https://www.youtube.com/watch?v=y77kLA1eC0M https://www.youtube.com/watch?v=y77kLA1eC0M And in German: http://www.arte.tv/guide/de/041693-004/terra-x http://www.arte.tv/guide/de/041693-004/terra-x / https://www.youtube.com/watch?v=KoMvzVLiL94 https://www.youtube.com/watch?v=KoMvzVLiL94