Today might be a good day to look at cordiform map projections—maps in the shape of a heart. This Geography Realm post (and related video) looks at the history of such projections, such as the Werner and Bonne, which first saw use in the 16th and 17th centuries. This Library of Congress blog post explores two maps that use the projection: a 1795 Ottoman Turkish map attributed to a Tunisian cartographer, and the 1534 map by Oronce Finé (pictured) that apparently inspired it.
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