AN INTRODUCTION TO

THE DE REGIO MONTE CODE,

CARDINAL BESSARION'S AGENDA,

AND PIERO DELLA FRANCESCA'S ENIGMA

 

Regiomontanus

Cardinal Bessarion

Regiomontanus' astrolabe (front)

Regiomontanus' astrolabe (back)

Byzantine astrolabe of 1062

Ptolemy

The Byzantine Emperor Ioannis VIII

The Ottoman Sultan Mehmet II

Regiomontanus' epigram

Regiomontanus' angel

The axes I-VIII
of the acrostic

The eight
"personal spaces" 1-8

There is a connection between the Byzantine astro­labe made for Sergios in 1062, the astro­labe that Regio­montanus gave to Cardinal Bessarion in 1462, and "The Flagellation of Christ" by Piero della Francesca. For a 2-page summary continue to next page and for a pdf file of that summary together with an introduction (50 pages) click here. For a "silent lecture" (over 200 pdf images including explanatory text) click here. For a full account see David King, Astrolabes and Angels, Epigrams and Enigmas – From Regiomontanus' Acrostic for Cardinal Bessarion to Piero della Francesca's "Flagellation of Christ", Stuttgart: Franz Steiner, to appear in  2007.

The "Flagellation of Christ"
by Piero della Francesca

Conveniunt in unum

 

[Photo credits in preparation.]

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