Joost Bürgi, Sextant

INTRODUCTION
- Man and the stars
SECTION I
- The dawn of astronomy: Mesopotamia, Egypt and the Biblical Cosmos
SECTION II
- The cosmos becomes a sphere
SECTION III
- The geometry of the cosmos
SECTION IV
- The skies of Islam
SECTION V
- Evangelisation of the cosmos
SECTION VI
- The Renaissance of Astronomy
SECTION VII
- Galileo: the cosmos through the telescope
SECTION VIII
- From Galileo to Newton

Atlas coelestis seu Harmonia Macrocosmica

The committee for the reform of the calendar

De mundi aetherei recentioribus phaenomenis

Le grand atlas, ou, Cosmographie Blaviane

Zoom

Joost Bürgi (1552-1632)
Sextant, ca. 1600
Prague, Národní Technické Muzeum, inv. 17195

Built by the most famous clock manufacturer of the late 16th and early 17th centuries (who also worked for Holy Roman Emperor Rudolf II), this triangular astronomical sextant can be used by two observers at once.