Sorry, but the mapping of the Earth in two circular pieces goes back at
least to the 1500s or 1400s.
.
The difference is that the 1400s & 1500s maps showed two side-by-side
circles, making it much easier to use, rather than having it on opposite
sides of a disk.
.
The favorite ancient way to map
Hi,
The New York Times has published an article on an interesting new
'double sided' map projection. I'm wondering whether it might be able to
be used as a Foster-Lambert dial:
https://www.nytimes.com/2021/02/24/science/new-world-map.html?smid=url-share
best wishes,
Peter
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