Johannes Angelus (Johannes Engel)

Ratdolt's 1488 Augsburg edition of Johannes Angelus's 'Astrolabium planum', a large illustrated astrological handbook with ephemerides and tables for casting horoscopes, in 176 leaves. An illustrated incunable (exhibited by NLM in its 2010 'Cradle-Books' show) with a provenance chain including Dmitri Buturlin and Lord Grimthorpe. Digitized by the U.S. National Library of Medicine (public domain).

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