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While uncommon, terrestrial astrolabes do appear
in other books of the period. In the 1512 edition of Reisch's
Margarita philosophia, an astrolabic projection of the Ptolemaic
world appears. This one, showing only the geography of Ptolemy,
omits entirely the New World, and depicts a broad expanse of
ocean where the Americas are located. Another terrestrial astrolabe
appears in J. Focard's Paraphrase de L'astrolabe published
in Lyons in 1546. This is a smaller, very well-engraved geographical
astrolabe. The geographical
plate of this astrolabe shows a North American continent
attached to South America, but the geography is far less accurate
than that found on contemporary maps. |
