Peter Bienewitz (Apianus, ca. 1500-1552)
Astronomicum Cęsareum, Ingolstadt, 1540
Florence, Biblioteca Nazionale Centrale, Magl. 5._.41, ff. 27v-28r

This splendid volume contains an impressive number of sophisticated, vividly coloured and perfectly working paper instruments that illustrate the characteristics of the Ptolemaic universe. The author was Holy Roman Emperor Charles V's cosmographer.