Section of an old map from Africa, made by John Cary in 1805. The map includes the "Mountains of the Moon", which were deemed to be at the source of the Nile.
<bdi><a href="https://en.wikipedia.org/wiki/en:John_Cary" class="extiw" title="w:en:John Cary"><span title="English cartographer and engraver">John Cary</span></a>
</bdi>
1805
<a rel="nofollow" class="external free" href="http://libweb5.princeton.edu/visual_materials/maps/websites/africa/maps-central/central.html">http://libweb5.princeton.edu/visual_materials/maps/websites/africa/maps-central/central.html</a>