Astronomicum cäsareum : =Eine grüntliche Ausslegung des Buchs Astronomici cäsarei, vnd seiner Instrument, darinne dess gantzen Hymmels Lauff on alle Rechnung, vnd Kopfbrechen: zu ewigen Zeytten: mit sampt den Finsternussen gefunden wirdt:
Astronomicum caesareum, a 1540 astronomy treatise by Peter Apian printed at Ingolstadt, explaining the imperial astronomical instruments for scholars and practitioners who needed to compute planetary positions and eclipses. The pictures are black-letter German pages with large decorated initials, including ornate scrolling capitals in black and a worn Gothic-style text block, offering a designer ideas for historical display lettering and ornamental drop caps.




